Heavy duty 4′. X 8′. Quick assembly tray STAND. Absolutely no tools required. Can be assembled in 5 Min Or Less. Accommodates all popular brand trays & reservoirs. Overall height is 25 in. Height from bottom bar to floor is 18 in without casters. Outside dimensions: 102 in length by 53 in Wide. Inside dimensions: 100 in length by 51 in Wide. Us Patent 8, 714, 498, patent pending 14/269, 619, pct. Application/Us12/00001 & Chinese Patent 201280018267.2 tray sold separately.