Child-friendly Design To Encourage Therapy Compliance * Easy-to-replace Filter * Powerful Piston Pump Is Efficient Dependable And Quiet * Complete With Disposable And Reusable Neb Kits Mouth-piece Pediatric Aerosol Mask Carry Bag Replacement Filters And Instructions * Retail Packaged * 120 Vac 60 Hz * Liter Flow ? 8 Lpm * Warranty Limited 5 Year * Weight 3.1 Lbs * Hcpcs Codes: E0570-1 E0570