| Comparison : | Item # PT-3300, CGA-300 Standard Rigid Pigtail Assembly w/ Single & Double Loop Item # PT-3300CV, CGA-300 Standard Rigid Pigtail Assembly w/ Single & Double Loop & Check Valve to Inlet
 Item # PT-3300RCV, CGA-300 Standard Rigid Pigtail Assembly w/ Single & Double Loop & Reverse Check Valve on Outlet
 Item # PTH-3300, CGA-300 Standard Rigid Pigtail Assembly w/ Single & Double Loop, Plastic H.T., Nut-One End
 Item # PTH-3300CV, CGA-300 Standard Rigid Pigtail Assembly w/ Single & Double Loop & Check Valve to Inlet, Plastic H.T., Nut-One End
 
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