Graham Field Lumex Select Series Foam MattressThe Lumex Select 100 and 150 series are entry level therapeutic foam mattresses designed for pressure redistribution and patient comfort. These mattresses utilize high quality foam layers to provide a cost effective solution for preventing pressure injuries in home care and long term care environments. SKU Product Key Technical Details Graham Field LS100 35 Select 100 36x80 (1 EA) 36x80x6; Standard twin size; 350 lb capacity. Graham Field LS100 42