LTWHOME Bio Sponge Fit for Penn Plax Cascade 300 Internal Filter Replacement Cartridges(Pack of 12) 18 inches(Inner hole Diameter)

18 inches(Inner hole Diameter)

These Poly pads to compatible For the Juwel Standard / BioFlow 6

Packing include: 12 pcs fine and 3 pc coarse filter pad

Catch debris and provide efficient water flow with less clogging for long lasting filtration

LTWHOME Bio Sponge Fit for Penn Plax Cascade 300 Internal Filter Replacement Cartridges(Pack of 12) 18 inches(Inner hole Diameter)Packing include: 12pcs bio sponge Change every 3 4 weeks Custom designed and manufactured for Penn Plax Cascade 300 Internal Filter Optimizes the colonization of beneficial aerobic bacteria removes ammonia and nitrites keeping your aquarium clean and healthy This is not a Penn Plax product and is not covered under any Penn Plax manufacturer's warranty. The Penn Plax brand names and logos are the registered trademarks of their respective owners. Any