Dial Manufacturing, Inc. is in the business of providing replacement parts and accessories for evaporative coolers, mini-splits and portable evaporative coolers. Headquartered in Phoenix, Arizona, it is owned and operated by the same family that founded it in 1965. Dial is the undisputed industry leader, with the broadest product assortment.Solid steel collar with zinc plating,Easy to use,Resists corrosion
