Gel Wheelchair Cushion 22 x 18 x 2 Specimen Collection Products Measurement accuracy:Pressure:within 3mmHg(0 Style:1 Pair (Left & Right) Measurement accuracy:Pressure:within 3mmHg(0 5v halogen illumination and 10x optic system insure true tissue color for accurate identification * Removable contact plate is auto clavable * Large knurled focusing ring * Comfortable soft synthetic rubber eyepiece * Reticle contact plate etched onto the lens in mm permits easy measurement of suspicious lesions * Instrument head with Bayonet locking mount for secure connection to the battery handle * C cell powered battery handle with rheostatic on off switch * Satin chrome plated handle with knurled finish for a positive grip * Complete with nylon zippered pouch that holds the instrument and spare contact plate * Inspected and packaged in the U * Offering great versatility the Gel U Seat Lite provides comfort to almost all wheelchair users * Meets flammability standard TB117