Peak Flow Meter Stockings Easy push button release mechanisms * CRYO Systems Cuffs Easy push button release mechanisms * Each side operates independently to allow easy movement through narrow spaces and greater stability while standing * Sturdy 1 diameter construction ensures maximum strength * Newly designed rear glide cap allows for walker to slide easily and smoothly over most surfaces * Vinyl contoured hand grip * Comes with wheels * Limited Lifetime Warranty * Width inside hand grips: 17 * Width inside back legs: 20 * Overall Width: 24 * Depth at base (opened): 17´ * Height: Adjustable from 32 39 * Weight limit: 350 lbs * Basic donut type elevated seat has been completely redesigned to feel similar in comfort to a regular toilet seat *It's much wider than the typical donut slightly contoured and has handgrips for easy portability *Elevates the seat by 4 (10 Assists in early detection of asthma attacks * Accurately measures peak flow * Reusable mouthpiece included with unit * Zone markers for easy reference * Dual flow range for adults and children * Ranges from 0 800 L M * Accuracy has been verified by an independent testing laboratory to meet NAEP (National Asthma Education Program) standards