UL approved; meets IEC 60601-1 flow ranges over 40 lpm & equipped w/hospital-grade plug. High vacuum range up to 560 mm Hg (22" Hg) & vibration-free gauge for easy reading & vacuum control. Durable metal canister brackets +2-year warranty. #S130-Metal Base Latex Free #S330-Molded Base Latex Free Don’t forget a portable stand & drawer, #S1125 Latex Free UNSPSC#42295123