Allows fluid to only flow in one direction. Prevents backflow. Heavy duty brass body with stainless spring. 1/2" or 3/4" (Male x Female NPT).
Category: backflow equipment, backflow materials, backflow preventer, backflow preventer products, backflow products, backflow supplies, new-180228, rv backflow preventer supplies, rv backflow supplies, rv sewer equipment, rv sewer products, rv sewer supplies
Type: Fresh Water