Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister Quantity:Bulk 400 pcs Add to the combination when

Add to the combination when there is reflection on glass

Removable / flappable lid with feeding window and lock

Frag quantity: 41 small 1inch frags / 19 Large 1

1x Lens Holder Clip         1x Lens Cap       1x Cleaning Cloth       1 x Storage Pack

Frag quantity: 16 small 1inch frags / 9 Large 1

Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister Quantity:Bulk 400 pcs Add to the combination whenEach box: 24 pcs half gallon 1. 75lbs Remove ammonia & nitrite, vast surface area porous internal structure results in superior efficiency For freshwater, pond and saltwater fish tank use. (not recommended for reef tank as it is not designed to reduce nitrates) 100% aquarium safe non metallic ceramic, will not leach aluminum or any heavy metal Can be cleaned, reused and sterilized