Cascade Bio-Sponge for Internal Filters, Cascade 300 (1 Pack) Lighting Fluorescent • Heavy-duty high-gloss finish

• Heavy-duty high-gloss finish

Sizes: Skulls measure 6½"

Feeding this natural food is vet-recommended for optimal healthy bone growth and metabolism

NO HORMONES • NO NITRATES OR NITRITES • GLUTEN FREE • SOY FREE

The bold pink color makes it easy to spot your dog in the field

Cascade Bio-Sponge for Internal Filters, Cascade 300 (1 Pack) Lighting Fluorescent • Heavy-duty high-gloss finishThe Replacement Bio Sponge for the Penn Plax Cascade Internal Filter optimizes colonization of beneficial aerobic bacteria and removes ammonia and nitrites. Quick and easy to replace Convenient, no fuss replacement sponge Replace monthly for optimum water quality Specifications: Fits Penn Plax Cascade 300 Internal Filter Oops, this item is out of stock! But dont worryour Special Deals section is packed with amazing finds at even better prices. Explore