WHK 10Pack 3/4″ ProPress Brass Crimp Adapters for Copper to PEX B, LeadFree
These 3/4 pex fittings are widen apply to family portable drinking water system,HVAC system and rv water system. 【Most Important for the Copper to Pex adapter 3/4】This brass 3/4 pro press to pex b are Not use for PEX-A tubing and expander fittings system.