Airmax® ProAir™-4 Diffuser Plates & Replacement Parts Replacement Part:ProAir™ Check Valve Its unique design prevents clumping

Its unique design prevents clumping and gives it the highest biofilm surface area of any product on the market

UltraClear® Filter Start is a super-concentrated mixture of natural garden bacteria that work together to consume all typical pond wastes

yet your fish appear yellow

3/8" x 100' 510119 895394000572 EasySet Weighted Airline Tubing

Airmax® ProAir™-4 Diffuser Plates & Replacement Parts Replacement Part:ProAir™ Check Valve Its unique design prevents clumpingThe ProAir 4 Weighted Diffuser is for use with the Airmax Shallow Water Series Aeration Systems. The innovative sled design keeps the diffuser submerged while maintaining an upright position. The included check valve prevents back pressure on the compressor. Winterization Caps are recommended if you shut down your aeration system during the winter, as they prevent debris from entering the airline. Complete diffuser includes manifold with check valve,