Positive Displacement Blower with Canopy is ideal for activated sludge process with maximum air outflow at higher pressure with minimum noise. The Positive Displacement Blower is lubricant free and air cooled for longer life and running time. The Positive Displacement Blower is available to integrate with dissolved oxygen meter for monitoring and controlling dissolved oxygen in the aeration tank. Positive Displacement Blower with Canopy is made using quality grade raw material which ensures durability of use along with long lasting trouble free service.