In-Line CO2 Purifier Removes contaminants often found in CO2 gas. Prevents off-tastes and aromas from spoiling draft beer. CO2 cylinders may not have been properly cleaned before re-filling. By placing a CO2 purifier in the system, contaminates are removed to ensure optimum results. Specifications: Length12-1/2" Diamater2-5/8" ConnectionsQuick disconnect fittings Maximum Pressure125 PSI Notes: For best results install in an upright position and replace after 12 months of use. Use with 954-1B Quick Disconnect Fittings and 11048 Mounting Bracket (sold separately).