For sale: used Coleman Exponent F1 ultralight canister stove, in excellent condition with stuff sack. 2.6oz alone, 3.2oz with stuff sack. Can be stowed with burner in place or removed for more compact storage. I have put this in a 600ml mug with a 110g cartridge with the lid in place. Rated at 16,400 BTU's and will boil a liter of water in 3 minutes. $25 including shipping to US addresses and PayPal fees.