Super Sprouter� 2 ft x 4 ft Propagation Tray is loaded with features to get the job done right. It measures 45 in long, 24 in wide and 3 in high to accommodate steel, plastic or wooden rack and shelf units. The tray will accommodate four 10 x 20 in trays with or without domes. Twin overhanging drain wells with dual drill out fitting nipples to eliminate modifying shelves. Constructed using 1/8 in ABS plastic. Great for cloning, vegging or complete flowering.