Connects an inflation device to an outdoor mountaineering stove for fast, convenient fuel transfer and inflation. Compact, lightweight, and made of brass for reliable outdoor use. Key benefits Simple, fast connection: lets you couple an inflation device to your mountaineering stove to inflate or transfer fuel quickly when you need it. Portable and easy to store: compact, lightweight design fits in a backpack or stove kit so you can carry it on hikes, climbs, or camping trips. Durable construction: made of brass materials that resist outdoor environmental influences for long-term use. Versatile refill use: designed for filling long gas tanks into flat gas tanks; with this adapter you can refill petrol. What it does and who it’s for Function: provides a secure interface between an inflation device and an outdoor stove to enable convenient inflation or fuel transfer. Compatibility: intended for use with outdoor mountaineering stoves and compatible gas tanks—specifically for transferring from long gas tanks into flat gas tanks. Size & performance: small, lightweight form factor for easy transport; brass build supports repeated field use. Practical use scenarios Backcountry camping: refill a flat stove gas canister from a larger long tank before a multi-day trip to reduce carried weight. Mountaineering or alpine climbs: keep a compact adapter in your kit to perform quick fuel transfers at basecamp or bivy sites. Emergency field top-ups: perform a rapid refill when a stove canister is low, avoiding the need to carry multiple full canisters. Materials and care Brass construction for corrosion resistance and outdoor durability. Store dry and clean after use; compact size makes it easy to pack with your stove and fuel accessories. Note: Designed specifically to connect an inflation device to an outdoor mountaineering stove and to enable filling long gas tanks into flat gas tanks, including refilling petrol as described.