Specialists in the solution of Rotary Positive Blower applications for over 45 years. We take the application, determine the necessary volume of air and pressure or vacuum, size the equipment and then supply as much of the unit as you desire. Accessories are available for most applications to quiet the equipment and protect it from the environment. Royston Group provides Blowers, a complete line of Pore Poly Filters, Powder Pumps to handle abrasive hard to handle products, Silencers, environmental equipment, moisture removal products Pneumatic Conveying accessories, Data Collection Software and Hardware, and other items associated with positive displacement blowers.