HuYaYa Pre-Filter Sponge,4 Pack Aquarium Pre Filter Foam Rolls Compatible Filter Accessories for Fish Tank

1.A must have filter accessories for your fish tank,these pre sponges are made from the top-quality filtration foam, safe to your fish,suit for freshwater and saltwater.
2.Help to trap particles and debris,and prolong the life of your filter media,provide efficient water flow with less clogging for long lasting filtration,enhance filtration.
3.Give your fish pet a securaty habitate! these pre-filter sponge suit for all shrimp tank owners and anyone else who has small fish in their tank.
4.Sponge size：approx. 8.5x5cm/3.4×2 inch cylinder.
5.Inside hole diamenter: approx. 2.1cm/0.8 inch
6.Package included: 4 pack pre-filter sponges,black.
7.Please note: these foam are pre filter sponges,so only have single hole.

DIMENSION: approx. 8.5x5cm/3.4×2 inch cylinder, the inside hole diamenter is 2.1cm/0.8 inch,please note these foam are pre filter sponges,so only have single hole.
ENHANCE FILTRATION: these pre-filter sponges could help to trap particles and debris,and prolong the life of your filter media,provide 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 or weaker inhabitants from being drawn into the filter.
A SECURATY FOR YOUR FISH HABITATE: give your fish pet a securaty habitate! these cylinder pre-filter sponge suit for all shrimp tank owners and anyone else who has small fish in their tank,provide them a safe environment.
HIGH QUALITY MATERIAL: these sponges are made from the high quality filtration foam,safe to your fish, good for freshwater and saltwater environments.