Gas Refill Adaptors En417 Lindal Valve Output For Butane/Isobutane Canister Product Details ?Gas Refill Adapters?Fuel gas refill adpater use to connect a 1lb propane/isobutane/butane canister or EN417 Lindal valve output.Comes with air vent pressure botton to reduce the pressure in the inflated canister. ?Camping Essentials?Butane refill adapter for outdoor camping stoves,picnic burners or other split-type furnaces.Lightweight gas convertor is efficient and easy to carry in outdoor backpacking camping/hiking/picnicking. ?Refill Adapters Set?Refill adapters set includes a tank pressure relief valve,a butane canister adapter.Easy to collect residual gas which help save fuel and resources. ?Premium Material?Protable camping stove adapter is made of superior alumium alloy and copper which is sturdy and built to last.Corrosion resistance that no worry to use outdoor. ?NOTE?1.Please use in fire-free outdoors.2.Do not exceed the specified weight when inflating.3.Do not inflate large household tanks into small outdoor tanks. 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.