Gravity 7 Long Term Care Mattress 36 x 80 x 6 Blood Pressure Monitor Optional wireless transmission eliminates transcribing 14804 Optional wireless transmission eliminates transcribing errors and saves considerable time Versatile functional and mobile these carts go wherever you need them * Durable * easily cleaned * Specially designed to hold the SS E 2 and E 1 heating units (Mfgr#15770) * Multi layered high density foam provides optimal pressure redistribution * The ultra soft heel section is uniquely designed to provide extremely low skin interface pressure * The mattress cover is a 2 way stretch water resistant vapor permeable nylon * The cover provides a low moisture transmission rate (MVT) which keeps the patient cool and dry * Meets fire code 1633 * 7 Year Limited Warranty * Top layer of foam is high resilient and die cut which provides comfort and proper pressure redistribution