The updated Vacu-Aide Suction Unit design features reduced weight and noise level with improved battery function. The suction unit utilizes the widely available standard canisters for added convenience and ease of use. Smaller footprint Lighter weight Quieter Longer lasting lithium ion battery (7325P-D and 7325P-D-EXF) 27 LPM (free flow) typical*** Model 7325D-D and model 7325D-D-EXF do not include carrying case however 7325P-D and model 7325P-D-EXF does include the carrying case. Specs Color Blue & Grey Operating Humidity Range 15 - 93% non-condensing Operating Pressure Range 770 hPa to 1060 hPa (~7500 ft to ~1400 Ft below sea level) Operating Temperature Range 0 - 40 C (32 - 104 F) Product Dimensions 6.9"H x 7.0"W x 7.1"D Product Weight 7325P-D, 7325P-D-EXF: 3.8 lb. not including power supply | 7325D-D, 7325D-D-EXF: 3.4 lb. not including power supply Size 6.9"H x 7.0"W x 7.1"D Storage/Transport Humidity Range 0 - 93% non-condensing Storage/Transport Temperature Range -25 - 60 C (-13 - 140F) Vacuum Range 50 - 550 mm Hg +/- 5%*** Warranty 7325P-D and 7325P-D-EXF: Limited 2 years on unit; limited 1 year on battery | 7325D-D and 7325D-D-EXF: Limited 2 years on unit Material Composition Formed plastic, Vacuum Gauge, PCB, Foam Sound Typical operating sound level is