The Esperanza ZEPHYR Compressor Inhaler (nebulizer) is a compact medical device designed for effective inhalation delivery of physician-assigned medication. The product is designed to provide effective treatment for asthma, allergies and other respiratory diseases. The device purifies an air stream that, as it passes through a tube to the atomizer, converts the prescribed medication into an atomized mist for inhalation. With proper use and maintenance, the ZEPHYR inhaler will provide reliable performance for many years. Power: 220V, 50 Hz Current: 0.8 A Medication Capacity: 10 ml Particle Size: 0.5 ~ 10 µm Sound Level ≤ 65 dBA Average Nebulization Rate ≤ 0.4 ml/min Compressor Pressure Range: 28 ~ 55 Psi (200 ~ 380 KPa /2.0 ~ 3.8 bar) Operating Pressure Range: 9 ~ 19 Psi (60 ~ 130KPa / 0.6 ~ 1.3 bar) Liter Flow Range ≤ 8L/Min Operating Temperature Range: 10°C ~ 40°C (50°F ~ 104°F) Operating Humidity Range: 10% ~ 95% RH Storage Temperature Range: -20°C ~ 70°C (-4°F ~ 158°F) Standard Accessories: nebulizer, air tube, adult mask, child mask, mouthpiece The compressor nebulizer should be used under the supervision of a licensed physician or therapist, a respiratory specialist.