Oase BioTec Screenmatic² Replacement Filter Foam 18000 / 24000 / 38000 Model:Screenmatic 18000/32000 Blue Foam 14545 - Replacement Diaphragm for

14545 - Replacement Diaphragm for the AP-40

The bacteria and enzymes are slowly released when they are needed most to address biological issues in the pond that are often the cause of poor clarity

Catfish food

The Green Matala can follow thereby trapping a medium size particle

Very smooth inside wall surface allows for very low flow resistance

Oase BioTec Screenmatic² Replacement Filter Foam 18000 / 24000 / 38000 Model:Screenmatic 18000/32000 Blue Foam 14545 - Replacement Diaphragm forAvailable: Purple & Red Foam for 18000 38000 OASE Purple & Red Filter Foams for BioTec ScreenMatic2 18000 (model # 42975) Requires 3 sets for full filter replacement Also fits BioTec ScreenMatic2 38000 (model # 42976) Requires 7 sets for full filter replacement Blue Foam for 18000 38000 OASE Blue Filter Foams for BioTec ScreenMatic2 18000 (model # 42975) Requires 1 set for full filter replacement Also fits BioTec ScreenMatic2 38000 (model # 42976)