Intec's VORTEC CANNON utilizes our patented impeller design with "cannon mount" technology providing high production rates, excellent stability and ease of movement. These add additional design features, combine for fast and profitable recycling of spray applied insulation, removal of damaged insulation and HVAC cleaning. The pivoting inlet and outlet gates promote safe operation, further enhanced by the VORTEC vac SHIELD. Comes standard with a 6 in. inlet and outlet. A 4 in. inlet is optional and the user can change sizes as desired. The body of the vacuum is powder-coated steel. 1-year limited warranty on Vacuum. Comes with an electric start Vanguard 18 HP/570 cc V-Twin Motor and oil alert system that will shut motor off when oil is low to prevent engine damage. This engine is CARB compliant, features an oversized shaft, large capacity gas tank, debris filter and has an extra quiet muffler.