Up for offer is a ALIGN-RITE AIR X TRACTOR A guilty vacuum mixing jar at an affordable price . Mixes and removes unwanted air from polyester and epoxy resins ect. This is Manuel driven model MVM- 100. Vacuum pump has no moving parts. Only requires 80 P.S.I. to operate . Pump rated to 28" HG. 4-1/2 cast handwheel. Clear glass jar allows visibility Create perfect inlays by eliminating air bubbles .