optimus 123The Svea 123 is a small liquid-fuel (naphtha, commonly referred to as white gas or Coleman fuel) pressurized-burner camping stove that traces its orins to desns first pioneered in the lateThe svea stove from Optimus has been the go-to lhtweht white Gas (naphtha) stove for lht-and-fast climbers, alpinists, mountaineers, and backcountry adventurers