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.
Premium pre-filter foam sponges can be quickly and easily attached to the fish tank intake tube stem, preventing small, baby, or weaker inhabitants from being drawn into the filter.
These sponges are made from the top-quality filtration foam,BPA free and safe to your fish,no harm to water PH quality, good for freshwater and saltwater environments.
It is recommended to replace one carton per week, and these foams can be easily cleaned and replaced. You should see the foam filter last for about 2 months.
