Brower Heated Box Stall Drinker Perfect for corner installation in box stalls, but may be installed outdoors as well. Non-siphon float valve delivers about 2-1/2 gallons per minute. Simple water level adjustment. Double wall, single-piece poly construction is all smooth, making it easy to clean. Stainless steel access plates. Half moon design on back corner for securing up to a 2" PVC tube for plumbing from above or below. Approximate capacity: 1-1/2 gallons. AC, 250 watts. Sells for $220.00 will sell for $160 OBO