Compatible with all types and brands of PEX Type B or C Tubing: Watts; Everhot; Viega; Zurn; Nibco; Sharkbite; Bow; etc., Compatible with the following connection systems: Crimp Connection System (PEX Crimp Tool + Copper Crimp Rings); Clamp (Cinch) Connection System (PEX Clamp Tool + Stainless Steel PEX Clamps)., Standards & Certifications: Manufactured to ASTM standard F1807