20 Pcs Black Plastic Aquarium Undergravel Filter + Air Hose + Tube

Product Name: Aquarium Undergravel Filter;Fit for: Aquarium, Fish Tank;Material: Plastic
Each Size: 140 x 70 x 12mm/5.5″ x 2.8″ x 0.5″(L*W*T); Size: 280 x 140 x 60mm/11″ x 5.5″ x 2.4″(L*W*T)
Tube Size(.): 32 x 2.5cm/ 12.6″ x 1″(H*D);Air Hose Size: 50.5 x 5mm/2″ x 0.2″(L*D)
Air Stone Size: 2.5 x 1.4cm/1″ x 0.6″(L*D);Main Color: Black, Clear
Weight: 420g
Precisely made, smoothly buckled, and easily composed.
Different sizes could be made up to fit for different fish tanks.
material and easy to clean.
Usage: clean tank and rinse thoroughly, connect the bottom plates according to the size of the tank and place it into the tank, buckle holder on suitable plate, insert holder from top with returnstem and twist to tighten, adjust returnstem according to the height of the tank and lock it with a link.
Slip a exhaust fitting over the returnstem and let air stone touch the plate.
Place rinsed gravel over filter plates and fill aquarium with water.
Connect air tubing from to air switch and pump.
Package Contents:
20 x Fish Tank Undergravel Filter
1 x Tube
1 x Air Hose w Airstone
Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.