FPT ADPT SOLDER Size: 1/2"x1/2",3/4"x3/4",1"x1" Model No.: PXFS Product Name: FPT ADPT SOLDER Size: 1/2"x1/2",3/4"x3/4",1"x1" Detailed Product Description: Forged brass fittings for cross-linked polyethylene tubing that meets requirements of ASTM F876 / F877, CSA B-137.5, and NSF61.