Fish Tank Aquarium Filter Biochemical Sponge Cut-To-Fit Foam Pad Koi Sump Replacement Reef Filtration Cotton Compatible(50x50x2cm)

• Lightweight design with multiple thick holes is very suitable for using in fresh water and marine water.
• Good for both biological and mechanical filtration ,offers more area for the beneficial nitrifying bacteria to colonize, eliminate toxic compounds and improve water quality ; trap large bits of waste, and will not get clogged easily.
• Cut-To-Fit filter media pad. Can be cut to fit your filters
• The filter can decompose the excrement and the forage leftover effectively, leaving the fish fresh water to breath.
• 3 kinds of different thickness filters for you to choose according to your habit.

Specifications: Material: Filter Cotton Color: Black Optional Size: Approx. 50 * 50 * 2cm/ 19.7 * 19.7 *0.8 inch, 50 * 50 * 4cm / 19.7 * 19.7 * 1.58inch, 50 * 50 * 5cm / 19.7 * 19.7 * 1.97inch Package Weight: Approx. 95-310g Item Type: Aquarium Filters Function: Filter The Blockages, Excrement, The Forage Leftover etc Package Include: 1 x Aquarium Filter Sponge Only