The McCulloch Medical™ Puppy, Kitten and Raptor Anethesia and Oxygen Recovery Set provides reliable delivery plus best practice post-surgery, post-trauma and post-smoke inhalation patient recovery. The Masks are made from the most robust materials available to provide long-life performance and feature a robust rubber-mounted 15mm/22mm adaptor. The Oxygen Recovery Masks feature a rubber-mounted 22mm oxygen adaptor and dual vents, not valves, to ensure unrestricted inhalation and exhalation to prevent unforeseen reduction or increase in O2 flow. -Mask bodies are manufactured from durable polycarbonate. -Diaphragms are manufactured from tear-resistant thermoplastic material. -Includes 6 ft oxygen tubing. -Used by fire departments in 50 US states and other countries. -Clean in 1:20 solution of bleach and water. -Optional hook and strap sets available to secure masks. -All masks carry the McCulloch Medical™ 2-years replacement warranty.