Air Cell Wheelchair Cushion 18 x 16 x 4 Measuring Aids With Child Seat * Heavy duty Parts are DEHP and With Child Seat * Heavy duty steel base for improved strength and durability * Factory calibrated to ensure accuracy * Easy to clean trays and seats guarantee long lasting reliability * Rotating poise bars for dual reading of pounds and kilograms It's designed for personal cleaning purposes only 18 x 16 x 4 * Proven design for pressure relief and position equalization * Position equalization results from the variable action of individual air cells * Adjustable air pressure provides relief based on user s individual needs * Easy to use air pump is included * Low surface tension reduces friction and skin shear * Low shear fluid proof cloth cover (not shown) protects against incontinence *HCPCS Suggested Code: K0108