Gas Growler Deluxe - Black Edition. DOT-approved, welded steel propane tank with 5-pound (1.2 gallon) capacity. The compact Ignik Gas Growler is ideal for situations that require portability, or when your space is limited such as camping, RVing, boating, fishing, tailgating, overland, etc. The Deluxe kit includes everything you need to fuel your existing stove, heater or other propane appliances.