Rack-Master 21 x 21 Inch Recycled Black Rack Dolly Base with 5-Inch Casters, No Handle Food Lockers & Takeout Shelves Twin cartridge system includes a

Twin cartridge system includes a 6TO-BW granular activated carbon cartridge and an MR-100 mineral reduction cartridge

Maintains consistent internal temperatures with 2" non-CFC polyurethane foam insulation and forced air design

Hardcoat aluminum base and tempered side glass support durability and clear viewing

Polished chrome plated brass body is built for heavy-duty commercial use

Rack-Master 21 x 21 Inch Recycled Black Rack Dolly Base with 5-Inch Casters, No Handle Food Lockers & Takeout Shelves Twin cartridge system includes aRack Master 21 x 21 Inch Recycled Black Rack Dolly Base with 5 Inch Casters, No Handle Platform design, single stack, 350 lb. capacity. Durable copolymer construction and 5 inch casters make this 21 inch rack dolly base a reliable choice for moving stacked racks. 21 x 21 inch platform is sized for rack transport applications. Impact resistant copolymer construction with reinforced caster mounts and a rib reinforced base. 5 inch casters help move