The Allstar nitrous bottle warmer is the correct way to safely obtain the ideal pressure in colder weather. It features as wrap around design that evenly distributes heat on the bottle, eliminating hot spots. This 12-16 volt bottle warmer is specifically designed to work with Allstars pressure control kits (049-ALL76197 and 049-ALL76198). Dimensions are 19" x 6" and includes adjustable straps to fit most 5, 10 and 15 lb. bottles.