Poly Tray for shelf #29939 and #29949.
Under Fume Hood safety cabinet | Justrite Polyethylene Shelf Tray for 22 Gallon Undercounter, 23 Gallon Under Fume Hood Safety Cabinet, Yellow, Polyethylene, 29052 Fits 22 gallon Undercounter or 23-gal. Justrite Polyethylene Shelf Tray for 22 Gallon Undercounter, 23 Gallon Under Fume Hood Safety Cabinet, Yellow, Polyethylene, 29052.