balacoo 3pcs Undergravel Filter Black Strainer Water Drip Filter Black Case Filter Case Filter for Fish Tank Fish Bowl Filter Fish Tank Filters Filter for Aquarium Dedicated Lauter Tank - E531MH0304H1TOZL561W4

• AQUARIUM FILTER-- The drip can increase the oxygen in water. TANK FILTER BOX-- Provides a large surface area for beneficial colonies to grow. FISH TANK FILTER CASE-- 【 】The drip filter box on the upper part of the fish tank filter tank is and replace, just open the box to replace the filter material when needed. AQUARIUM BOX FILTER-- overflow baffle design, pores evenly distributed at the bottom of the box. FILTER BOX，FILTER CASE-- 【Function】Drip filter is a wastewater system, dripping water can increase the oxygen in the water and provide a large surface area for the growth of beneficial colonies.