Reliable piston-driven compressor * Colorful & child-friendly * 5 year limited warranty * Designed to meet the requirements of HCPCS Code: E0570 * The John Bunn Neb-u-Tyke RR Nebulizer comes complete with: 1 reusable nebulizer 1 adult mask 1 pediatric mask 1 mouthpiece 1 PVC tubing & 3 spare filters *