Poly-Flo™ Bulk Filter Material, 1.5" Blue/White (Dense) Sequence Large 3" spring check valve

Large 3" spring check valve allows for high flow

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

Valve measures 5

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

Use a low temperature rated food when water temperatures are 60º F or lower

Poly-Flo™ Bulk Filter Material, 1.5" Blue/White (Dense) Sequence Large 3" spring check valveManufactured 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