OASE: BioTec Screenmatic 2 | Premium Pond Filtration | External Bio-Filter | Mechanical Filter | Flow Through External Filter Pond Volume:Up to 18K Gal 3 x QS2 Quick Sink

3 x QS2 Quick Sink self weighted double head air diffuser

4-Blade prop for Kasco 1 HP units

Seamless installation with four-inch garden block / engineered block

You want a Scott Aerator dock mount deicer

Supports healthier

OASE: BioTec Screenmatic 2 | Premium Pond Filtration | External Bio-Filter | Mechanical Filter | Flow Through External Filter Pond Volume:Up to 18K Gal 3 x QS2 Quick SinkAtlantic Watergardens & OASE bring you premium pond filtration for your backyard koi pond. Biological and mechanical filtration for excellent water quality even in the toughest of conditions. Pair with Bitronic UV Clarifier and AquaMax pump for complete water column conditioning. Protect your koi and create a pond that is easy to manage with this peerless filter system. Flow through filters with biological and mechanical filtration clean and clear