Ear Plug Dispenser Tray, Product Type Empty Dispenser, Capacity - Pairs of Earplugs 50 Pairs, Lid Style Open, Dispenser Mounting Style Wall, Material Polyethylene Terephthalate Copolymer, Overall Depth 8 in, Overall Height 3 in, Overall Width 6 in, Compatible Dispensing System 6646 and 6844, Moldex PlugStation 6644, Compatible with Grainger Part Number 2EUN4, 2FLK9, 2FLL4, Compatible with Manufacturer Model Number 6644, 6646, 6844