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Feature

12xWhite Filter Pads
4xBlue Filter Pads
6.75" (L) x 6.75" (W) x 0.75" (H)

Description

This is the original filter pad sponge for SUNSUN/PERFECT/GRECH/Super HW-302, HW-402B, HW-505B and AQUATOP CF300 Canister filter. 1.Provides both mechanical and biological filtration 2. Promotes nitrogen cycle reduce the death rate of fish 3. Can be used again after cleaning