Equip hospital crash carts, ambulances, and medicalwith lightweight S-Scor new-Duet suction unit. Battery offers 45 continuous mins. of suction. Indicator shows 3-light, 5-step progression to indicate battery supply level. Variable regulator allows use on adult, child, or intubated patient. Unit boasts dual-mode charger. Also runs on a.c. Disposable canister boasts bacterial filter and overflow shutoff valve for cleanliness and safety.