Comparison : |
Item # CK16-16F-16F, Galtek® Check Valve, 1'' Orifice, O-Ring Free Design Item # CK16-16P-16P, Galtek® Check Valve, 1'' Orifice, O-Ring Free Design Item # CK16-20F-20F, Galtek® Check Valve, 1'' Orifice, O-Ring Free Design Item # CK16-16K-16K-M, Galtek® Check Valve, 1'' Orifice, O-Ring Free Design
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