Master-Bilt walk-in coolers provide the right amount of temperature-controlled space. Choose from several types, from a minimum 36-sq.-ft. units to elaborate 10,000-sq.-ft. warehouses. Ready-Bilt models ship pre-assembled from the factory. Quick Ship walk-ins ship in fi ve business days after the order is received. 10-Bilt models off er more options and ship in 10 days after order receipt. Bilt2Spec walk-ins are custom built to fi t your application.