Graham Field Lumex Select Apm System LS300 Brand_Sklar A rigid C channel and carefully ASG GNA233L2 A rigid C channel and carefully designed frame geometry reduce your chance of tipping or flipping the cot This laser applicator is equipped with 9 diodes and is available in two configuration packages (see Configurations section for more details) The Lumex Select Alternating Pressure Low Air Loss Mattress Systems are specialized mattress replacement units that utilize low air loss technology with a specialized mattress design that provides pressure management for the treatment of pressure ulcers especially for those in acute care and long term care settings (the cells inflate and deflate in a 2:1 cycle