Pontec Replacement Filter Media PondoClear 4000 (Part 21848)

Pontec PondoClear 4000 Replacement Foam & Bio Balls Pack 21848 Genuine Oase pontec filter foams and bio media designed to fit the following filter:Pontec PondoClear 4000 (51226) Includes:Fine blue foam x 1Coarse black foam x 1Bio balls x 15 (approx.) Genuine Oase / Pontec Foam Sets Pack of 2 filter foams & bioballs High quality filter foam media provides complete mechanical filtration Super porous foam material helps keep pond water crystal clear Foam filtration removes debris from the pond water