High Output And Efficient Isobutane Fuel Blend For The Gasone Camping Stove. Product Details GasOne Premium Line introduces 4oz Camping Fuel for backpackers. This lightweight portable gas canister provides strong power for many popular camping stoves on the market. The generic screw-on type nozzle will adapt almost all backpacking stoves. HIGH PERFORMANCE - Gas One ISOBUTANE, a four season blend of butane and propane, guarantees a high-quality performance for cooking, backpacking, and other outdoor activity needs Isobutane, unlike other fuel sources can maintain consistent cooking press SCREW-ON UNIVERSAL FITTING - Built with a screw-on style fitting, Gas One?s Isobutane canister fits with a large variety of standardized isobutane stoves, burners, and other outdoor equipment CONVENIENT AND COMPACT - Measuring at 3.5 x 2.8 inches, Gas One?s Isobutane is convenient to store and easy to use. Comes with a snug plastic cap to ensure your can is leak free and stored properly when not in use ALL SEASON FUEL- Mixed with propane that provides a higher vapor pressure, Gas One?s Isobutane is able to perform in diverse, colder weather conditions A BACKPACKER?S DELIGHT ? A perfect addition to your backpacking adventures. Gas One?s Isobutane, being light-weight and compact, is designed to be a reliable fuel source for backpackers looking to cook a hot meal with limited resources or space Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.