Shelf Tray, Accessory Type Shelf Tray, Color White, Compatible Mfr. Model Number 29953, Depth 18 1/8 in, For Use With 31 gal Cabinets, For Use With Cabinet/Locker Capacity 31 gal, For Use With Cabinet/Locker Type Under Fume Hood Safety Cabinet, For Use With Product Type Cabinet, Height 2 in, Load Capacity 8 lb, Material Polyethylene, Spill Capacity 0 gal, Width 44 1/8 in