Oase BioPress Replacement Sponge - 4000

Replacement Foam Media sets for the Pontec Pondopress.After a while, the foam inside your filter needs replacing. This ensures the filters works to the best of its abilities and keeps your pond clear and healthy. The Oase Pontec Pondopress foam kits are genuine foam sets, all you need to replace the foams in your Pondopress filter or Biopress 4000 Filter.Part 15558 fits the Pondopress 5000 as well as the Biopress 4000. It consists of 2 Coarse black foams and 1 blue finer foamSpecificationsDimensionsPart 15558Black Foam: 15cm Diameter, 9cm depth with a centre section of 6.5cm diameter approx.Blue Foam: 15cm Diameter, 3.5cm depth with a centre section of 6.5cm diameter approx.