lunderg alternating air pressure mattress pad with static mode - comfortable bed sore prevention - includes waterproof mattress topper for hospital bed or home & quiet pump - doctors recommended twin size (35"x75") pvc pad is up for auction in Health & Household. The current bid is $1.50, 98% below the $69.95 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.