Ultrasound Gel 5 Liter Intelect Couches Advanced Averaging feature automatically displays MSHQ 84306 Advanced Averaging feature automatically displays the average of up to the last 3 readings taken in several minutes ago High performance 1 5 horsepower pump delivers 0 26 inHg (0 660 mmHg) * Dual protection system consists of a float shut off in the canister lid and an Inline Hydrophobic Filter to prevent back flow of fluid as well as airborne contaminants from entering the pump * The Easy Vac has a protective canister bracket which not only holds the canister but also protects the gauge and adjustment knob from accidents * The Easy Vac has a Velcro strap that allows the power cord to be wrapped securely to make portability easier * Extra strength premium suction feet attach the unit safely and securely to most surfaces preventing spillage * Safety is assured with the automatic resetting thermal limit switch which prevents the unit from overheating * Length 13 1 4 (33 Non greasy non staining and hypoallergenic gel enhances conductivity * Comes packaged with container for easy refill *