This gate valve has a 4-inch female slip connection openings and white PVC body and hubs. The PVC material is great for resistance to corrosion and mild chemicals. Its shaft and paddle are made of 304 stainless steel for resistance to corrosion. With a maximum pressure rating of 15 psi, a mid-flow rating of 7 psi, and a maximum working temperature rating of 167 degrees, the gate valve is versatile and durable. 18 (w/handle extended) x 6.625 x 5.188 inches, the Valterra PVC Gate Valve is suitable for use with landscape and irrigation, aquaculture, and general purpose applications.