Find out more about Chromatography Research Supplies (CRS), now part of the Trajan family of brands.
Trajan Scientific and Medical manufactures the CRS gas purifier and filter product range. CRS gas purifiers ensure the quality of gas being used in your instrumentation, and reliably provide high purity gas, removing contaminants so your analysis is not compromised.
Our experience in gas management means we can work with you to find the best CRS gas purifier or filter for your specific needs.
Request assistance in selecting CRS gas purifiers and filters
For technical information such as manuals and MSDS please visit chromres.com/resources.
Download: Form - CRS gas purifiers and filters request [PDF]
View full product details
Download: Part Number List - CRS Infinity H2 gas purifier [PDF]
Also see: Product Data Sheet - CRS Infinity H2 gas purifier
Find in table:
| Part number | Part description and detail |
|---|---|
| 202381-SS | Infinity H2 purifier - 1/4" stainless steel compression fittings |
Download: Part Number List - CRS SPure™ H2O gas filter [PDF]
Also see: Product Data Sheet - CRS SPure™ H2O gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Brass compression fittings | |
| Standard - 88 cc | |
| 202238-B | SPure H2O filter, 1/8" brass fittings |
| 202239-B | SPure H2O filter, 1/4" brass fittings |
| LS - 116 cc | |
| 202238L-B | SPure LS H2O filter, 1/8" brass fittings |
| 202239L-B | SPure LS H2O filter, 1/4" brass fittings |
| DS - 240 cc | |
| 202238D-B | SPure DS H2O filter, 1/8" brass fittings |
| 202239D-B | SPure DS H2O filter, 1/4" brass fittings |
| XLS - 400 cc | |
| 202238XL-B | SPure XLS H2O filter, 1/8" brass fittings |
| 202239XL-B | SPure XLS H2O filter, 1/4" brass fittings |
| Stainless steel compression fittings | |
| Standard - 88 cc | |
| 202238-SS | SPure H2O filter, 1/8" stainless steel fittings |
| 202239-SS | SPure H2O filter, 1/4" stainless steel fittings |
| LS - 116 cc | |
| 202238L-SS | SPure LS H2O filter, 1/8" stainless steel fittings |
| 202239L-SS | SPure LS H2O filter, 1/4" stainless steel fittings |
| DS - 240 cc | |
| 202238D-SS | SPure DS H2O filter, 1/8" stainless steel fittings |
| 202239D-SS | SPure DS H2O filter, 1/4" stainless steel fittings |
| XLS - 400 cc | |
| 202238XL-SS | SPure XLS H2O filter, 1/8" stainless steel fittings |
| 202239XL-SS | SPure XLS H2O filter, 1/4" stainless steel fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
| 205706 | Wide filter mounting kit (with hardware). For use with 240 cc and 400 cc SPure, and 500 cc and 750 cc ZPure. |
| Refill kits | |
| 202243 | Refill kit - Processed activated carbon (500 cc) |
| 202245 | Refill kit - Molecular Sieve (500 cc) |
| 202247 | Refill kit - CoFree (500 cc) |
| 202298 | Refill kit - CoFree purifier 350 cc Molecular Sieve -120 cc CoFree |
Download: Part Number List - CRS ZPure™ HC (Hydrocarbon) gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ HC (Hydrocarbon) gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Brass compression fittings | |
| Standard - 130 cc | |
| 202232-B | ZPure Hydrocarbon filter, 1/8" brass fittings |
| 202233-B | ZPure Hydrocarbon filter, 1/4" brass fittings |
| LS - 475 cc | |
| 202232L-B | ZPure LS Hydrocarbon filter, 1/8" brass fittings |
| 202233L-B | ZPure LS Hydrocarbon filter, 1/4" brass fittings |
| DS - 500 cc | |
| 202232D-B | ZPure DS Hydrocarbon filter, 1/8" brass fittings |
| 202233D-B | ZPure DS Hydrocarbon filter, 1/4" brass fittings |
| XLS - 750 cc | |
| 202232XL-B | ZPure XLS Hydrocarbon filter, 1/8" brass fittings |
| 202233XL-B | ZPure XLS Hydrocarbon filter, 1/4" brass fittings |
| Stainless steel compression fittings | |
| Standard - 130 cc | |
| 202232-SS | ZPure Hydrocarbon filter, 1/8" stainless steel fittings |
| 202233-SS | ZPure Hydrocarbon filter, 1/4" stainless steel fittings |
| LS - 475 cc | |
| 202232L-SS | ZPure LS Hydrocarbon filter, 1/8" stainless steel fittings |
| 202233L-SS | ZPure LS Hydrocarbon filter, 1/4" stainless steel fittings |
| DS - 500 cc | |
| 202232D-SS | ZPure DS Hydrocarbon filter, 1/8" stainless steel fittings |
| 202233D-SS | ZPure DS Hydrocarbon filter, 1/4" stainless steel fittings |
| XLS - 750 cc | |
| 202232XL-SS | ZPure XLS Hydrocarbon filter, 1/8" stainless steel fittings |
| 202233XL-SS | ZPure XLS Hydrocarbon filter, 1/4" stainless steel fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
| 205706 | Wide filter mounting kit (with hardware). For use with 240 cc and 400 cc SPure, and 500 cc and 750 cc ZPure. |
| 205707 | ZP 475 cylinder mounting kit (with hardware). For use with 475 cc ZPure only. |
Download: Part Number List - CRS ZPure™ H2O gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ H2O gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Brass compression fittings | |
| Standard - 130 cc | |
| 202230-B | ZPure H2O filter, 1/8" brass fittings |
| 202231-B | ZPure H2O filter, 1/4" brass fittings |
| 203011-B | ZPure H2O filter, 1/4" brass fittings, with Mol Sieve 3A |
| LS - 475 cc | |
| 202230L-B | ZPure LS H2O filter, 1/8" brass fittings |
| 202231L-B | ZPure LS H2O filter, 1/4" brass fittings |
| 203011L-B | ZPure LS H2O filter, 1/4" brass fittings, with Mol Sieve 3A |
| DS - 500 cc | |
| 202230D-B | ZPure DS H2O filter, 1/8" brass fittings |
| 202231D-B | ZPure DS H2O filter, 1/4" brass fittings |
| XLS - 750 cc | |
| 202230XL-B | ZPure XLS H2O filter, 1/8" brass fittings |
| 202231XL-B | ZPure XLS H2O filter, 1/4" brass fittings |
| Stainless steel compression fittings | |
| Standard - 130 cc | |
| 202230-SS | ZPure H2O filter, 1/8" stainless steel fittings |
| 202231-SS | ZPure H2O filter, 1/4" stainless steel fittings |
| LS - 475 cc | |
| 202230L-SS | ZPure LS H2O filter, 1/8" stainless steel fittings |
| 202231L-SS | ZPure LS H2O filter, 1/4" stainless steel fittings |
| 203011L-SS | ZPure LS H2O filter, 1/4" stainless steel fittings, with Mol Sieve 3A |
| DS - 500 cc | |
| 202230D-SS | ZPure DS H2O filter, 1/8" stainless steel fittings |
| 202231D-SS | ZPure DS H2O filter, 1/4" stainless steel fittings |
| XLS - 750 cc | |
| 202230XL-SS | ZPure XLS H2O filter, 1/8" stainless steel fittings |
| 202231XL-SS | ZPure XLS H2O filter, 1/4" stainless steel fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
| 205706 | Wide filter mounting kit (with hardware). For use with 240 cc and 400 cc SPure, and 500 cc and 750 cc ZPure. |
| 205707 | ZP 475 cylinder mounting kit (with hardware). For use with 475 cc ZPure only. |
Download: Part Number List - CRS ZPure™ Ultra gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ Ultra gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| 202371-V | ZPure Ultra 3A moisture filter, 1/4" metal gasket seal fittings |
| 202373-V | ZPure Ultra 5A moisture filter, 1/4" metal gasket seal fittings |
| 202375-V | ZPure Ultra Hydrocarbon filter, 1/4" metal gasket seal fittings |
Download: Part Number List - CRS ZPure™ M gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ M gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Vacuum Coupling Radiation (VCR) fittings | |
| 202230M-V | ZPure M H2O filter, 1/2" vacuum coupling radiation fittings |
| 202287M-V | ZPure M PolyGas II filter, 1/2" vacuum coupling radiation fittings |
| 202295M-V | ZPure M O2 / H2O filter, 1/2" vacuum coupling radiation fittings |
| 202232M-V | ZPure M Hydrocarbon filter, 1/2" vacuum coupling radiation fittings |
| Stainless steel compression fittings | |
| 202233M-SS | ZPure M Hydrocarbon filter, 1/4" stainless steel fittings |
| 202231M-SS | ZPure M H2O filter, 1/4" stainless steel fittings |
| 202296M-SS | ZPure M O2 / H2O filter, 1/4" stainless steel fittings |
| 202288M-SS | ZPure M PolyGas II filter, 1/4" stainless steel fittings |
Download: Part Number List - CRS ZPure™ Glass H2O HSMI gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ Glass H2O HSMI gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Brass compression fittings | |
| 202283-B | ZPure Glass H2O HSMI filter, 1/8" brass fittings |
| 202284-B | ZPure Glass H2O HSMI filter, 1/4" brass fittings |
| Stainless steel compression fittings | |
| 202283-SS | ZPure Glass H2O HSMI filter, 1/8" stainless steel fittings |
| 202284-SS | ZPure Glass H2O HSMI filter, 1/4" stainless steel fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
Download: Part Number List - CRS ZPure™ O2/H2O gas filter [PDF]
Also see: Product Data Sheet - CRS ZPure™ O2/H2O gas filter
Find in table:
| Part number | Part description and detail |
|---|---|
| Brass compression fittings | |
| Standard - 130 cc | |
| 202295-B | ZPure O2 / H2O filter, 1/8" brass compression fittings |
| 202296-B | ZPure O2 / H2O filter, 1/4" brass compression fittings |
| LS - 475 cc | |
| 202295L-B | ZPure LS O2 / H2O filter, 1/8" brass compression fittings |
| 202296L-B | ZPure LS O2 / H2O filter, 1/4" brass compression fittings |
| DS - 500 cc | |
| 202295D-B | ZPure DS O2 / H2O filter, 1/8" brass compression fittings |
| 202296D-B | ZPure DS O2 / H2O filter, 1/4" brass compression fittings |
| XLS - 750 cc | |
| 202295XL-B | ZPure XL O2 / H2O filter, 1/8" brass compression fittings |
| 202296XL-B | ZPure XL O2 / H2O filter, 1/4" brass compression fittings |
| Stainless steel compression fittings | |
| Standard - 130 cc | |
| 202295-SS | ZPure O2 / H2O filter, 1/8" stainless steel compression fittings |
| 202296-SS | ZPure O2 / H2O filter, 1/4" stainless steel compression fittings |
| LS - 475 cc | |
| 202295L-SS | ZPure LS O2 / H2O filter, 1/8" stainless steel compression fittings |
| 202296L-SS | ZPure LS O2 / H2O filter, 1/4" stainless steel compression fittings |
| DS - 500 cc | |
| 202295D-SS | ZPure DS O2 / H2O filter, 1/8" stainless steel compression fittings |
| 202296D-SS | ZPure DS O2 / H2O filter, 1/4" stainless steel compression fittings |
| XLS - 750 cc | |
| 202295XL-SS | ZPure XL O2 / H2O filter, 1/8" stainless steel compression fittings |
| 202296XL-SS | ZPure XL O2 / H2O filter, 1/4" stainless steel compression fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
| 205706 | Wide filter mounting kit (with hardware). For use with 240 cc and 400 cc SPure, and 500 cc and 750 cc ZPure. |
| 205707 | ZP 475 cylinder mounting kit (with hardware). For use with 475 cc ZPure only. |
Download: Part Number List - CRS ZPure™ Glass PolyGas gas purifier [PDF]
Also see: Product Data Sheet - CRS ZPure™ Glass PolyGas gas purifier
Find in table:
| Part number | Part description and detail |
|---|---|
| ZPure Glass PolyGas I | |
| Brass compression fittings | |
| 202314-B | ZPure Glass PolyGas I purifier, 1/8" brass compression fittings |
| 202315-B | ZPure Glass PolyGas I purifier, 1/4" brass compression fittings |
| Stainless steel compression fittings | |
| 202314-SS | ZPure Glass PolyGas I purifier, 1/8" stainless steel compression fittings |
| 202315-SS | ZPure Glass PolyGas I purifier, 1/4" stainless steel compression fittings |
| ZPure Glass PolyGas II | |
| Brass compression fittings | |
| 202318-B | ZPure Glass PolyGas II purifier, 1/8", brass compression fittings |
| 202319-B | ZPure Glass PolyGas II purifier, 1/4", brass compression fittings |
| Stainless steel compression fittings | |
| 202318-SS | ZPure Glass PolyGas II purifier, 1/8", stainless steel compression fittings |
| 202319-SS | ZPure Glass PolyGas II purifier, 1/4", stainless steel compression fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
The PolyGas I purifier removes oxygen, moisture, and hydrocarbons. The PolyGas II purifier removes moisture and hydrocarbons.
View full product details
Download: Part Number List - CRS ZPure™ PolyGas gas purifier [PDF]
Also see: Product Data Sheet - CRS ZPure™ PolyGas gas purifier
Find in table:
| Part number | Part description and detail |
|---|---|
| ZPure PolyGas I | |
| Brass compression fittings | |
| Standard - 130 cc | |
| 202285-B | ZPure PolyGas I purifier, 1/8" brass compression fittings |
| 202286-B | ZPure PolyGas I purifier, 1/4" brass compression fittings |
| LS - 475 cc | |
| 202285L-B | ZPure LS PolyGas I purifier, 1/8" brass compression fittings |
| 202286L-B | ZPure LS PolyGas I purifier, 1/4" brass compression fittings |
| DS - 500 cc | |
| 202285D-B | ZPure DS PolyGas I purifier, 1/8" brass compression fittings |
| 202286D-B | ZPure DS PolyGas I purifier, 1/4" brass compression fittings |
| XLS - 750 cc | |
| 202285XL-B | ZPure XLS PolyGas I purifier, 1/8" brass compression fittings |
| 202286XL-B | ZPure XLS PolyGas I purifier, 1/4" brass compression fittings |
| Stainless steel compression fittings | |
| Standard - 130 cc | |
| 202285-SS | ZPure PolyGas I purifier, 1/8" stainless steel compression fittings |
| 202286-SS | ZPure PolyGas I purifier, 1/4" stainless steel compression fittings |
| LS - 475 cc | |
| 202285L-SS | ZPure LS PolyGas I purifier, 1/8" stainless steel compression fittings |
| 202286L-SS | ZPure LS PolyGas I purifier, 1/4" stainless steel compression fittings |
| DS - 500 cc | |
| 202285D-SS | ZPure DS PolyGas I purifier, 1/8" stainless steel compression fittings |
| 202286D-SS | ZPure DS PolyGas I purifier, 1/4" stainless steel compression fittings |
| XLS - 750 cc | |
| 202285XL-SS | ZPure XLS PolyGas I purifier, 1/8" stainless steel compression fittings |
| 202286XL-SS | ZPure XLS PolyGas I purifier, 1/4" stainless steel compression fittings |
| ZPure PolyGas II | |
| Brass compression fittings | |
| Standard - 130 cc | |
| 202287-B | ZPure PolyGas II purifier, 1/8" brass compression fittings |
| 202288-B | ZPure PolyGas II purifier, 1/4" brass compression fittings |
| LS - 475 cc | |
| 202287L-B | ZPure LS PolyGas II purifier, 1/8" brass compression fittings |
| 202288L-B | ZPure LS PolyGas II purifier, 1/4" brass compression fittings |
| DS - 500 cc | |
| 202287D-B | ZPure DS PolyGas II purifier, 1/8" brass compression fittings |
| 202288D-B | ZPure DS PolyGas II purifier, 1/4" brass compression fittings |
| XLS - 750 cc | |
| 202287XL-B | ZPure XLS PolyGas II purifier, 1/8" brass compression fittings |
| 202288XL-B | ZPure XLS PolyGas II purifier, 1/4" brass compression fittings |
| Stainless steel compression fittings | |
| Standard - 130 cc | |
| 202287-SS | ZPure PolyGas II purifier, 1/8" stainless steel compression fittings |
| 202288-SS | ZPure PolyGas II purifier, 1/4" stainless steel compression fittings |
| LS - 475 cc | |
| 202287L-SS | ZPure LS PolyGas II purifier, 1/8" stainless steel compression fittings |
| 202288L-SS | ZPure LS PolyGas II purifier, 1/4" stainless steel compression fittings |
| DS - 500 cc | |
| 202287D-SS | C30ZPure DS PolyGas II purifier, 1/8" stainless steel compression fittings |
| 202288D-SS | ZPure DS PolyGas II purifier, 1/4" stainless steel compression fittings |
| XLS - 750 cc | |
| 202287XL-SS | ZPure XLS PolyGas II purifier, 1/8" stainless steel compression fittings |
| 202288XL-SS | ZPure XLS PolyGas II purifier, 1/4" stainless steel compression fittings |
| Mounting kits | |
| 205705 | Standard filter mounting kit (with hardware). For use with 88 cc and 116 cc SPure, 130 cc ZPure and 46 cc ZPure Glass filters. |
| 205706 | Wide filter mounting kit (with hardware). For use with 240 cc and 400 cc SPure, and 500 cc and 750 cc Zpure. |
| 205707 | ZP 475 cylinder mounting kit (with hardware). For use with 475 cc ZPure only. |
The PolyGas I purifier removes oxygen, moisture, and hydrocarbons. The PolyGas II purifier removes moisture and hydrocarbons.
View full product details
Download: Part Number List - CRS Advanced Filter System gas purifier [PDF]
Also see: Product Data Sheet - CRS Advanced Filter System gas purifier
Find in table:
| Part number | Part description and detail |
|---|---|
| AFS Purifier I | |
| 202912 | AFS Purifier I non-hazardous, 1/8" fitting manifold (not for air or O2 use) |
| 202913 | AFS Purifier I non-hazardous, 1/4" fitting manifold (not for air or O2 use) |
| 202914 | AFS Purifier I non-hazardous replacement cartridge (not for air or O2 use) |
| AFS Purifier II | |
| 202903 | AFS Purifier II Hydrocarbon/moisture, 1/8" fitting manifold |
| 202904 | AFS Purifier II Hydrocarbon/moisture, 1/4" fitting manifold |
| 202950 | AFS Purifier II Hydrocarbon/moisture replacement cartridge |
| AFS Purifier III | |
| 202905 | AFS Purifier III moisture, 1/8" fitting manifold |
| 202906 | AFS Purifier III moisture, 1/4" fitting manifold |
| 202955 | AFS Purifier III moisture replacement cartridge |
Download: Product Data Sheet - CRS Infinity H2 gas purifier [PDF]
Also see: Part Number List - CRS Infinity H2 gas purifier
View full product details
Download: Product Data Sheet - CRS SPure™ H2O gas filter [PDF]
Also see: Part Number List - CRS SPure™ H2O gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ HC (Hydrocarbon) gas filter [PDF]
Also see: Part Number List - CRS ZPure™ HC (Hydrocarbon) gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ H2O gas filter [PDF]
Also see: Part Number List - CRS ZPure™ H2O gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ Ultra gas filter [PDF]
Also see: Part Number List - CRS ZPure™ Ultra gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ M gas filter [PDF]
Also see: Part Number List - CRS ZPure™ M gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ Glass H2O HSMI gas filter [PDF]
Also see: Part Number List - CRS ZPure™ Glass H2O HSMI gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ O2/H2O gas filter [PDF]
Also see: Part Number List - CRS ZPure™ O2/H2O gas filter
View full product details
Download: Product Data Sheet - CRS ZPure™ Glass PolyGas gas purifier [PDF]
Also see: Part Number List - CRS ZPure™ Glass PolyGas gas purifier
View full product details
Download: Product Data Sheet - CRS ZPure™ PolyGas gas purifier [PDF]
Also see: Part Number List - CRS ZPure™ PolyGas gas purifier
View full product details
Download: Product Data Sheet - CRS Advanced Filter System gas purifier [PDF]
Also see: Part Number List - CRS Advanced Filter System gas purifier
View full product details
Download: Brochure - CRS gas purifiers and filters [PDF]
Request assistance in selecting CRS gas purifiers and filters
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