Oase BioMaster 30ppi Pre Filter Foam Size:Set 4 Helps support a healthy immune

Helps support a healthy immune system

5cm (height) x 24

• Critter tunnel extends to a generous 80cm in length

Perfect for the growing kitten

Oase BioMaster 30ppi Pre Filter Foam Size:Set 4 Helps support a healthy immuneOASE BioMaster 30 PPI Coarse Pre Filter Foam Orange (49742 49743) The OASE BioMaster 30 PPI Pre Filter Foam optimally supports the highly effective filter technology of the BioMaster and BioMaster Thermo external canister filters. The foam is simply inserted into the EasyClean pre filter module and regular replacement keeps the water in the aquarium clean and clear, even with a large number of fish. At 30 pores per inch (ppi), this is the coarse