Color: Blue; Package Content: 1 x Felt; Material: SpongeSize: 50 x 25 x 3.8cm/ 19.7" x 9.8" x 1.5"(L*W*T)Can be used for sea water tank, fresh water tank and waterweeds tank.The cotton has good effect on decomposing the and the food , improving the filtering and cleaning of water. It can reduce the death rate of fish.Being cleaned with mater cnce per month without blocking and deforming. It can be esed reused for many time.
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Item# : SPM18201105804
Model # : s22012600ux1230