This 5-liter concentrator is small, quiet and lightweight and comes standard with the Invacare SensO2 Oxygen Sensor. The Perfecto2 V unit incorporates many of the best features of the market-leading Invacare Perfecto2 Concentrator, including its contemporary, patient preferred external design and color. May be covered by your extended healthcare such as BLUE CROSS, SUN LIFE, MANULIFE, GREEN SHIELD ETC.. We can show you how. Does not include hose and mask or humidifier bottle. Both are small charge. Top handle for ease of mobility Pressure-based system is superior to timing-based systems Self-diagnostic electronics minimize troubleshooting time. Alarms and safety systems: Battery-free power-loss alarm; Invacare Sieve-GARD Monitor protects sieve from degradation; Invacare SensO2 Oxygen Monitor; Compressor 35 PSI pressure-relief valve, Low flow alarm Compatible with many Invacare Platinum Oxygen Concentrator parts Simplified preventative maintenance schedule Dimensions: 23" (H) x 13" (W) x 11.5" (D) Product Weight: 39 lb. Flow Settings: 0.5-5 LPM Maximum Outlet Pressure: 5+/-0.5 PSI Pressure: Relief Mechanism: 35 PSI, +/-3.5 PSI Concentration Levels: 95.6%-87% At All Flow Rates Outlet HEPA Power Consumption: Average: 325 W @ 3 LPM Sound Level: 43 db. Warranty: 3 Years Sunquest Mobility 618 6th. St. New Westminster BC V3L 3C4 Tel: 778-397-8083 Fax: 778-397-8138 Hours Monday - Friday 9 - 5 Saturday 10 - 4 We have batteries and tires for your scooter. Power chairs, mobility scooters, rentals, wheelchairs, Shoprider, Invacare, Fortress, Quantum, new, used, bathroom safety, canes, crutches, rollators, walkers, toilet seat, batteries, tires, tubes, bed rails, grab bars, safety equipment, compression socks and walking casts We sell new, used and rent. We deal with DVA, ICBC, Blue Cross and private insurance companies. do NOT contact me with unsolicited services or offers