ARG-1500 Series 1-1/2" Raw Water Strainer with Non-Metallic Plastic 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 Listed 255-D