Hayward YS00050T 1/2-Inch Threaded Clear PVC Y-Strainer with FPM O-ring Seals Y-strainer comes with FPM O-ring seals Made of clear PVC plastic material, so that it will never rust or corrode Protects piping system components from damage caused by dirt or debris in the process media Can be mounted in vertical or horizontal position, simplifying piping system layout Measures 1/2-inch threaded end connection