EZ Bio Filters 20 double core

Pond pump pre-filters prevent flow reduction due to cloggingHelp extend pump life by reducing pump stress and damageOffer additional mechanical and biological filtration for pondsSimple and effective biomechanical pre-filters improve pump performance. Prevents pump damage and flow reduction due to debris and clogs. Expandable units available in single or double Matala filter media core for superior biological filtration. Universal barbed fittings accept 1" to 1-1/2" tubing or 1-1/2" MPT. The versatile EZ Bio Filter can be used as a biomechanical pre-filter for circulation pumps, filtration pumps, and water fountain pumps. Model Dimensions Max Flow-through Rate EZ Bio 11 Single Core 4-5/16" x 7-7/8" 1,980 gph EZ Bio 20 Double Core 7-7/8" x 7-7/8" 3,405 gphPlease click on "More Information" for additional features and cleaning instructions.