This patented, low-pressure rubber/polyethylene diffuser hose is made for aquaculture. Step on it—it springs right back! This is efficient tubing, with a pressure resistance of only 12" of H2O at normal flowrates when new. Diffuser lengths of up to 20' per inlet are possible at low airflow rates. Tubing has a good oxygen transfer rate and is compatible with both regenerative blowers and linear air pumps. 

The gas flowrate is an average of .1–.5 cfm/ft; higher and lower flows are possible. Tubing produces a strong volume of medium-size bubbles (approximately 3 mm). For connections, use 1/2" barb fittings with clamps. Hose ends may be heat-sealed or fitted with a plug and clamp. To counteract buoyancy, hold-downs or weights are required. For best results, the tubing should be oriented with the blue stripe on the bottom. Inside diameter is 1/2" (13 mm); outside diameter is 1" (25 mm). Made in the USA by Colorite Plastics.

No warranty due to individual clogging and fouling possibilities.

Sold by the linear foot, or in 100' Rolls