LTWHOME Bio Sponge Fit for Penn Plax Cascade 300 Internal Filter Replacement Cartridges(Pack of 12) Package inclued: 200 PCS Poly

Package inclued: 200 PCS Poly pads

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

Medium Foam x 1

18 inches(Inner hole Diameter)

Pack include: 20pcs

LTWHOME Bio Sponge Fit for Penn Plax Cascade 300 Internal Filter Replacement Cartridges(Pack of 12) Package inclued: 200 PCS PolyPacking 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