Hayward BFA1010TES 1-Inch Gray PVC Thread by Thread BFA Series Bulkhead Fitting with EPDM Standard Flange Gasket Bulkhead fitting is designed for several applications that require varying shaft lengths and it has extra long design for thick tank walls Features left-hand full buttress threads and hex body for one person installation; maximum working pressure is 150 PSI Constructed of PVC material with EPDM standard flange gasket seal It has thread by thread end connection Available in a gray color; measures 1-inch thread size