About This

• PRE-FILTER DIMENSION: approx. 8cmx4cm/3.1''Hx1.6''D cylinder sponge, the inside hole diamenter is 1.5cm/0.6 inch,please note these replacement 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.
• FIRST USE TIPS:please soak the sponge in warm water to wash it before applied the foam to your fish tank as the dust/dirty may involved during the shipping. Suit for freshwater and saltwater environments.