Promote explosive growth, healthy root systems and enhanced nutrient uptake with HydroSpirit’s Air Compressor. Made of durable streamline design aluminum alloy, it adopts an electric magnetic motor to deliver high pressures of pure compressed oxygen directly to your garden‘s root zone. Using only 20 watts, it is still very quiet and consumes low energy. Your plants will thrive and reward you with luscious flowers. Comes complete with check valve, air stone, 6-way manifold, and adapters to fit standard 3/16" aquarium tubing or larger sizes. For best results, use with HydroSpirit’s Coarse Air disc.