Portable Laboratory Burner Pack 10. Recommended by CLEAPSS' guide GL240, high-quality portable laboratory burner, with refillable gas tank and thumb-operated electric ignition. It provides an adjustable flame, similar to Bunsen burner. The tank stays cool enough to touch even after sustained use. • Heavy base design for stability • Easy to refill • Electric instant ignition system • Built-in safety pressure release valve • 35 minutes large flame on full tank • 80 minutes small flame on full tank • Can be refilled with GA130510 • Flame temperature up to 1,250 °C • 30 tank capacity • Width: 115 mm • Height:96 mm • Weight: 430 (without fuel)