Ice & Water Unit, drop-in, single service, 18” x 21” overall (ice bin 18” x 13.5” x 12”), 1" diameter drain, stainless steel sliding removable cover, includes filler faucet, drip pan drain 1" dia., water cold 1/2" I.P.S., cut out size 15-1/4" x 20-5/8", 50-lb ice capacity, NSF