GROCO ARG-500 Series 1/2" Raw Water Strainer w/Stainless Steel Basket [ARG-500-S]ARG 500 Series 1 2" Raw Water Strainer with Stainless Steel Basket Features: Mounting System Allows Removal Without Tools Bonding Connection Both Sides O Ring Seal All Joining Surfaces Filter Basket Options: #304 SS (Standard), Monel & Non Metallic One Piece Molded Sight Glass Eliminates Tie Rods and Gaskets Improved Drain Plug Non Metallic Cap Magnifies Internal Viewing NPT or BSPP Threaded Ports Improved Basket Design C84400 bronze head casting UL