Hoshizaki, IM-544SAK, Air‑Cooled Modular Square Cube Ice Machine, stackable, produces up to 453 lb of ice per 24 hours at 70°F air / 50°F water, individual square cubes, stainless steel exterior, R290 hydrocarbon refrigerant, EverCheck™ alert system, stackable up to three units high (up to 1,359 lb/24 hr with stacking kits), ambient operating range 45-100°F, water temperature range 45-90°F, water pressure 10-113 PSIG, removable and cleanable air filters, front and right‑side service access, requires 115V/60/1 electrical connection, designed for use with compatible ice storage bins