Includes: unit nebulizer kit mouthpiece air tube ac adapter 4 air filters storage bag instruction manual * HCPCS Code E0570* Virtual Valve Technology * Compact and convenient; Smaller just got better * 3.5 times smaller than most compressor nebulizers * Can help minimize and reduce storage space * 75% lighter than most compressor nebulizers less than 10 ounces * Can help reduce shipping costs * Easy to use simple to operate - one- button operation * Convenient; smallest size and lightweight * Built to last * 3-year warranty * Efficient fast and effective treatment * COMPRESSOR SPECIFICATIONS: Dimensions: ................................................................................................ 5 5/8 (w)