Poly-Flo™ Bulk Filter Material, 1.5" Blue/White (Dense) Sequence water is caused by tannins

water is caused by tannins that build up in the water

Valve measures 5

These replacement filter foam cartridge fit the Hozelock Cyprio Bioforce line of pond filters (2002 models and later)

It is available in both 1/2" and 1" sizes

making Aquascape® BioBalls™ the ideal filtration media for use in biological filtration systems

Poly-Flo™ Bulk Filter Material, 1.5" Blue/White (Dense) Sequence water is caused by tanninsManufactured from high quality fiber, Poly Flo filter material provides consistent performance every time. Whether you have a large or unusually shaped filter mat or just want to save money, bulk material is a great choice. Filter material is available by the foot or in larger rolls. 90' or larger rolls are shipped by truck freight, which is highly dependent upon destination address. Contact us for a more accurate quote. Truck freight also requires