BaoZqua Undergravel Filter System for 20–40 Gallon Fish Tank, Air-Driven Biofiltration Aquarium Filter Kit with 20 Modular Plates & 2 Adjustable Lift Tubes, Cut-to-Fit Under Gravel for Clear Water

Product description

Designed for Flexibility & Straightforward Set up

Telescopic Carry Tube

Adjustable top matches most traditional tanks. Ensures optimum water circulation.

Interlocking Modular Design

Interlocking plates join tightly for a safe, customized base structure.

Trimmable to Match

Trim plates with normal scissors to suit round decor or irregular shapes.

Full Accent Equipment

Consists of all crucial fittings. Simply add an air pump (bought individually) to begin.

Add to Cart

Add to Cart

Add to Cart

Buyer Evaluations

4.7 out of 5 stars 17

4.7 out of 5 stars 17

4.7 out of 5 stars 17

Value

$9.98$9.98 $13.98$13.98 $17.98$17.98

Filter Plate Dimensions
8.26*11.02″ 11.02*16.53″ 13.78*22.04″

Suits Tank Dimension
5-10 Gallon Tanks 10-20 Gallon Tanks 20-40 Gallon Tanks

Really useful Air Pump
2-4 W 4-6 W 6-10 W

Package deal Dimensions ‏ : ‎ 11.65 x 6.97 x 3.15 inches; 1.21 Kilos
Merchandise mannequin quantity ‏ : ‎ BZ1030
Date First Obtainable ‏ : ‎ December 16, 2025
Producer ‏ : ‎ BaoZqua
ASIN ‏ : ‎ B0FYDJNKF6
Greatest Sellers Rank: #17,351 in Pet Provides (See High 100 in Pet Provides) #159 in Aquarium Filter Equipment
Buyer Evaluations: 4.7 4.7 out of 5 stars (17) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘prepared’).execute(operate(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click on’, { “allowLinkDefault”: true }, operate (occasion) { if (window.ue) } ); } }); P.when(‘A’, ‘cf’).execute(operate(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click on’, { “allowLinkDefault” : true }, operate(occasion){ if(window.ue) 0) + 1); }); });

Full Filter Equipment: Consists of 20 interlocking filter plates, 2 adjustable elevate tube set (with becoming), 2 verify valve, 2 regulator, 2 further air stone, 2 x 39″ further airline tubing, 1 airline tee connector, and all required connectors—all the pieces to construct your undergravel system. (Please notice: air pump and tank will not be included and have to be ready individually.)
Environment friendly Undergravel Filtration: An exterior air pump (not included) provides steady airflow that drives water circulation, pulling water downward by way of the substrate and filter plates to entice particles and fines—delivering clear, clear water and regular circulation in fish tanks.
Biofiltration & Aeration: Useful nitrifying microbes colonize the gravel mattress and plate surfaces to interrupt down ammonia and nitrite. Air-driven circulation oxygenates the water column, supporting energetic fish conduct and a steady organic cycle for a cleaner, balanced tank.
Modular Plate Design: Consists of 20 snap-fit undergravel plates (protection as much as 22.04″ x 13.78″). Nice 0.06″ mesh helps hold sand/gravel from fall-through; sturdy base helps resist backside cracks and holds heavy substrate, bettering water circulation and biofiltration in freshwater or saltwater tanks.
Straightforward Set up: Software-free setup—lay plates, add substrate, connect the elevate tube, and hook up with an air pump (not included). The elevate tube is adjustable and DIY cut-to-fit; use the included verify valve to assist cease backflow, and for 20–40 gal aquariums we suggest a quiet 6–10W air pump for optimum circulation.