Description This item is a simple and practical CO2 generator system, specially designed for aquariums. Helps promote plant growth, easy and safe to set up. With specialized pressure gauge, the safety area and scale can be seen clearly. This bottle cap is very suitable to be the DIY CO2 system accessory which size matches the common plastic bottle. The complete combination of CO2 DIY kits for planted aquariums. Characteristics - Color: Transparent - Material: Plastic and glass and ceramic. - Size of the CO2 diffuser (length x width): approx. 2.36 x 1.18 inches / 6 x 3 cm. - U-shaped glass tube size (L x W x D): approx. 1.77 x 0.98 x 0.12 inches / 4.5 x 2.5 x 0.3 cm. - Test value (L x D.): approx. 2.05 x 0.16 inches / 5.2 x 0.4 cm. - Includes plastic control value, U-shaped glass tube, glass CO2 diffuser and suction cup. - Extra-fine ceramic micro-bubble diffuser plate. - Check valve protects gas system and air pump equipment from damage due to siphoning. - Promote plant growth - easy
