EKMOIS 4 Pack Aquarium Fish Tank Filter Sponge Bio Sponge,Replacement Sponge for 20-40 Gallon Sponge Filter

EKMOIS 4 Pack Aquarium Fish Tank Filter Sponge Bio Sponge,Replacement Sponge for 20-40 Gallon Sponge Filter

【High-Efficiency Filtration】Traps debris, fish waste, and uneaten food to maintain crystal-clear water while preserving beneficial bacteria for a healthy aquatic ecosystem. 【Quality Material】Made from premium porous foam that resists clogging and retains structural integrity even after repeated rinsing. Wash and reuse for long-lasting performance. 【Perfect Compatibility】3.5In(L) x 0.3In(H),The Replacement Sponge are perfectly compatible with EKMOIS 20-40 Gallon Small Aquarium Sponge Filter. 【Excellent Permeability】The filter sponge features excellent breathability and water permeability,Thanks to its fluffy internal structure, water and air can flow smoothly. 【Easy to Use】Before use,Rinse the sponge with aquarium water, then fully put it into the filter chamber. Replace the white sponge every 2-4 weeks. Mini Aquarium Sponge Filter L-Replacement Filter