Coarse Air Bubble Diffuser With Size 3-5mm are typically used in grit chambers, equalization basins, chlorine contact tanks, and aerobic digesters, and sometimes also in aeration tanks. A diffuser is a device that disperses essential oils into the air. There are several types of essential oil diffusers that you can use for this. An electric, ultrasonic, diffuser dispenses essential oils into the air through vibrations of a plate which causes ultrasonic waves, creating microscopic particles of oils which disperse into the air.

• Tube Diffusers - Fine and Coarse
• Retrievable Diffused Aeration Systems - Tube & Disc.