Built out of durable aluminum, A49B combines the air flow of a dual stage pumping unit with the small, space-saving size of single stage. The 2-stage pump features the unique ABAC plastic belt guard which improves the cooling air flow, while preventing hands, arms, and any other part of a worker's body from making contact with dangerous moving components. It also features an oil sight glass for easy maintenance. Suitable for professional use, this air compressor pump is available in many configurations, from base mounted to vertical tank mounted. Covering a range of power options from 3 to 5,5 HP, A49B is designed to meet the compressed air needs of any workshop or auto shop, by delivering exceptional performance over an extended service life .