Description Base is a 16″ molded, enclosed system. The 12″ diffuser head, with a compound formulation and molding technique, ensures the membrane maintains its physical properties over a long period of time. High performance synthetic rubber membrane. Designed to resist tearing and retain shape even after years of continuous or cyclical use. The base has a large opening for easy filling and molded installation holes for strings for easy placement. Produces fine bubbles even at minimal head pressure. Comes with barbed PVC fitting for hose, clamp, PVC fitting for pipe, and check valve.
