LTWHOME Compatible White Pre-Filter Foam Replacement for Oase BioMaster Filter, 45ppi (Pack of 12) Packing include: 6 pcs fine

Packing include: 6 pcs fine foam filter

Custom designed and manufactured for the CUP-311 All Pond Solutions

Packing include: 12 pcs coarse foam filter

Approx size:130 mm diameter

50 x Poly filter

LTWHOME Compatible White Pre-Filter Foam Replacement for Oase BioMaster Filter, 45ppi (Pack of 12) Packing include: 6 pcs finePack include: 12 x White Pre Filter Foam. Custom designed and manufactured for Oase 250, 350 and 600 Filters, 45ppi, medium grade. Trap particles and debris keeping your aquarium clean and clear. Ensure efficient water flow with less clogging for long lasting filtration. Provide both mechanical and biological filtration to extend the life of your filters.