White Water Fill Inlet Flange Brass with Check Valve Fit for RV Camper Condition:new Qty:one set Built-in check valve, stainless steel filter to prevent reflux The pipe thread is made of durable brass to reduce leakage and corrosion resistance Plastic Housing - The housing for the pipe is plastic, making it durable protection for your inlet. It has impact, road salt, and acid resistance. Note:Please check the size of product before placing an order to ensure it fits properly