ISTA Round Bio-Sponge Filter, Round, Black Size:5 in providing natural hiding and climbing

providing natural hiding and climbing spaces for hermit crabs

Prefilter: helps protect fry – enhances mechanical filtration

Enhances Natural Filtration: This substrate aids in maintaining water balance

Multi-Use Aquarium Net: Ideal for fish transfer

We’ve got one of the powerful ball Launchers in the world with plenty of stylish and functional balls to go in them

ISTA Round Bio-Sponge Filter, Round, Black Size:5 in providing natural hiding and climbingMechanical filtration: Provides excellent filtering effect while oxygenating the water Biological Filtration: Foam material supports the colonization of bacteria Can be used with either an air pump or any external filter Silent operation by reducing air pump noise Easy to install and simple to maintain