3'' BDA Bottom Drain Features: Increases air circulation and cleaning capacity. Includes 10'' rubber air diffuser that connects to top section. 1/2'' barbed inlet fitting for incoming air. Dual rubber gaskets and six stainless screws for water tight penetration through liner. For use with 3'' schedule 40 PVC fittings and pipe. Drain kits to connect to pond skimmer also available.
Part Number: BDA