Pisces 12 x (pack) Compatible Replacement Filter Foam Suitable for PF 4 Internal Filter Interpet PF4

Suitable Replacement - The Pisces foams are a suitable replacement foam media for use in the Interpet Internal PF4 Filter System Regular Maintenance - Replacing filter foams inside your aquariums filter is vital to ensure the water is kept at its best - reducing the need for constant cleaning Enhances Biological Filtration - The Pisces foams are a high quality sponge filter media that works hard to filter water and keep the fish healthy and happy Easy to Replace - Each foam is a lightweight media sponge and simple to replace in your Interpet aquarium filter 12 Pack - 12 Single foams included