1" brass compression TEST PLUG CRIMP Size: 1/2",3/4",1" Model No.: PXP 1" brass compressionProduct Name: TEST PLUG CRIMPSize: 1/2",3/4",1"Detailed Product Description:Forged brass fittings for cross-linked polyethylene tubing that meets requirements of ASTM F876 / F877, CSA B-137.5, and NSF61. 1" brass compression