Size details: the package comes with 4 pieces pre-filter foam sponges about 9 x 9 x 1 inch, which can be easily attached to the fish tank intake tube stem, preventing small or weaker inhabitants from being drawn into the filter
Quality material: these sponges are made from quality filtration foam, safe to your fish, fitting well for freshwater and saltwater environments
Safe living space: give your fish pet a security habitat; These cylinder pre-filter sponge suit for all shrimp tank owners and anyone else who has small fish in their tank, providing them a safe environment
Filtration features: these pre-filter sponges could help to trap particles and debris, prolong the life of your filter media, and provide efficient water flow with less clogging for long lasting filtration; Regular cleaning makes them be applied repeatedly and muchly
Durable and reusable: with nice flow, aquarium filter floss pad can be cut to fit, durable and reusable, easy to clean; Rinse regularly in aquarium water to preserve living creatures and remove waste, suitable for filtering your aquarium fish tank pond