Oxygen Shield Air Diffusers
Oxygen Shields are made out a recycled rubber polymer and are designed for years of operation with minimal maintenance. Each Oxygen Shield diffuses air at around 3000 microns or 3 millimeters in diameter. Oxygen Shields come in 5 different sizes and fit up to 70 gallon tanks. The beauty of these manifolds is the low diffusion rate needed to fill the Shield. 728510-Oxygen Shield 1 For 10-30 gallon tanks.
728511-Oxygen Shield 2 For 20-40 gallon tanks.
728512-Oxygen Shield 3 For 40-70 gallon tanks.
728513-Oxygen Shield 5 For 5 gallon bucket.