Outdoor Retailer + Snow Show Innovation Award Winner! The OneGas Growler is a game-changer for outdoor enthusiasts looking for both sustainability and cost-efficiency. One fill of the Gas Growler costs about the same as a single-use green bottle but lasts five times longer. It comes with a 4/1.2M hose that easily attaches to all heaters and stoves designed for single-use green propane bottles. This propane tank complies with DOT specifications 4BA, 4BW, and 4E, ensuring it is safe to transport in your car, SUV, RV, or boat. The rugged protective case provides ample space for hose and wrench storage, while the stitched webbing lets you attach pouches for accessories or strap it down securely during transport. Each tank is shipped pre-purged and ready to be filled at any propane filling station, making it a convenient and reliable choice for your outdoor adventures. Experience the ease and efficiency of the OneGas Growler, and make your trips more enjoyable and environmentally friendly.