4Pcs Pre-Filter Foam Sponge Roll Aquarium Filter Intake Cover For Aquarium Fish Tank (Large)

Dimension: Approx. 8.0cm4.0cm/3.15 x 1.57inch cylinder the inside hole diameter is 2.0cm/0.79 inchplease note these foam are pre-filter spongesso only have single hole. Enhance biological filtration: These pre-filter sponges could help to trap particles and debrisand prolong the life of your filter mediaprovide efficient water flow with less clogging for long lasting filtration. A must have accessories for fish tank filter: Premium pre-filter foam sponges can be quickly and easily attached to the fish tank intake tube stem preventing small inhabitants from being drawn into the filter. Good for your fish habitat: Give your fish pet a security habitat! These cylinder pre-filter sponge suit for all shrimp tank owners and anyone else who has baby or small fish in their tankprovide them a good environment. High quality material: These sponges are made from the top-quality filtration foam BPA freegood for freshwater and saltwater environments.