The 43 Series are a heavy-duty tri-lobe blowers, designed to be used in liquid waste pumping applications where extended operation is desired. This pump is dependable for applications in the industrial waste industry and many more. You can count on the 43 Series vacuum blower to give you years of reliable service, as well as the superior support that NVE staff provides. We engineer, fabricate, and manufacture our products in Traverse City, Michigan.