K3 Wheelchair 18 x16 Flip Up Height Adj Desk Arms ELR Trapeze Unit Sevice Life: About 10000 Times Nerve Sensory Evaluator Access Sevice Life: About 10000 Times Heart rate can be expressed as the number of beats per minute or as percentage of your maximum heart rate he ProBasics K3 Lightweight Wheelchair offers all the benefits of a standard K3 wheelchair with the added feature of removable flip back height adjustable arms and 2 inch upholstery seat extension Cross brace powder coated silver vein steel frame Removable flip back height adjustable arms allow for easy transfer 2 inch removable seat extension Dual axle provides easy transition of seat height to hemi level Easy to clean comfortable nylon upholstery resists mildew and bacteria Includes tool free elevating legrests with composite footplates Elevating legrests are equipped with a pneumatic piston for infinite elevating positions Easy push to lock wheel locks Precision sealed wheel bearings in front and rear ensure long lasting performance and reliability Composite handrims with 24 solid urethane tires 8 x 1 solid rubber front casters HCPCS* Code: K0003 K0195 OR E0990 (elevating legrests only)