Brower MPO1BN Performance One Unheated Box Stall Drinker, Blue MPO1BN Performance One box stall drinker is blue, not heated and for corner installations in box stalls--but can be installed outdoors as well Drinker is very easy to clean, no disassembly for cleaning required Waters up to 15 head of most species except swine and can work for 1 horse in a box stall