Oase 45ppi Replacement Pre-Filter Media Foam for all BioMaster Aquarium Filters - Blue - 6 Pack Seabass and more happy days for

and more happy days for your dog

• Air‑puffed collagen sticks made from beef hide (rawhide‑free)

made with fresh chicken and salmon to supply high-quality protein and natural fish oils

Mixed Tocopherols (used as a preservative)

Oase 45ppi Replacement Pre-Filter Media Foam for all BioMaster Aquarium Filters - Blue - 6 Pack Seabass and more happy days forOASE BioMaster 45ppi Pre Filter Foam Set (6 pack) A set of six fine pore (45 ppi) replacement foam sponges for OASE BioMaster canister filters. These fine filter foams trap small debris and provide ample surface area for beneficial bacteria, helping maintain clear water and healthy biological filtration. Regularly replacing the pre filter sponges ensures optimal filter performance and water quality.