Sieral Under Gravel Filter for 20-29 Gallon Tanks, 10 Pcs 5.7'' x 5.7'' Plates, Under Gravel System for Clean Water, with 2 Uplift Tube and 1 Filter Cotton, for Fish Tank Fresh Water and Saltwater

About this item

• Comprehensive Package Contents: this under gravel aquarium filter set includes 10 black under gravel filter plates, 2 adjustable lift tubes, 2 straight air tubes, and 1 customizable activated carbon filter sponge; All components are designed to work together for efficient filtration in various aquarium setups
• Customizable Sizing Options: the fish tank filter plates measure about 5.7 x 5.7 inches each, and these uplift tubes can be adjusted from about 12.6 to 20.08 inches; With large tubes at about 0.87 inches and small tubes at about 0.79 inches in diameter, and the size of filter cotton is 4 x 4 inches, this under gravel filter offers flexibility for different tank depths and layouts
• Dependable Material Composition: these bottom sand filter plates are made of PVC, slightly submerged, with good toughness, ensuring long-term use in the aquarium, the filter cotton is an activated carbon sponge, which can effectively help you filter impurities
• Modular Design for Adaptability: the plastic grid plates allow users to separate and combine filter media types, optimizing water flow and substrate stability; The 10 pieces can be freely combined into any size you want, and assembled into two rows of 8 pieces, suitable for most 20 to 29 gallon aquariums
• Ideal for Large Aquatic Species: this under gravel aquarium filter is well-suited for large fish such as Arowanas and marine species; Its design supports a healthier habitat by enhancing water circulation and maintaining a clean substrate environment