Mini Ultra Quiet 3-in-1 Biochemical Sponge Filter Replacement Sponges Set of 10

Replacement layered Sponges for mini aquarium single barrel air-driven bio sponge filters. The replacement sponges are universal and will fit any brand of aquarium bio sponge filter of similar size and design. 

Our aquarium replacement sponges are made from ethically sourced cotton.

Key Features and Important Notes:

• Pack of 10 single-layered Sponges.
• Filter not included.
• Size: 4.3 x 3cm (H*L).
• Will fit any single barrel aquarium bio sponge filter of a similar design.
• 1 Year warranty T&C apply.
• Made from 100% cotton.
• This is a Castle Dawn Aquatics manufactured product, we promise 100% quality guaranteed.