Midmark PowerMax Surgical Vacuums bring together the best features and most proven technologies into one uniform offering. These vacuums satisfy the needs of those oral surgery specialists who demand the most from their vacuum system. PowerMax offers: High performance, up to 21" Hg Reliable, oil-less rotary vane vacuum pump Easy maintenance for years of reliable service Optional exhaust manifold available for clinics using a scavenging system Optional low-voltage control relay for remote operation Two-year warranty