Color: Black,Gray; Total Size: 135 mm / 5.3"; Material: Mineral, Plastic; Model: NAJ-301Net Weight: 232g; Stone Size: 40 x 80 mm / 1.6" x 3.15" (DH); Fits for 0.16"/4mm inner diameter tube.Increases oxygen and lowers CO2 levels. An important accessory to keep aquatic fish for respiration process.Create an abundant cascade of small to tiny bubbles rather than a limited number of larger bubbles.Suitable for aquarium, fish tank, pond hydroponic and circulation system. Soak it in water for at least 15 minutes before use.
Features: Sintered by high temperature. Durable and washable. Different from other air stones. Direction: 1. Connect the air stone with air tube. 2. Soak in the water for 15 minutes before use. 3. It is durable and be used for a long time. When it is clogged with dirt or creating bubbles with low quantity, please wash it for re-used.
Brand: uxcell, Color: Black,Gray