Burner, no-tip Safety with expanded base prevents tipping, even with hoses connected and easy carry handle for safe handling. This is the smaller version of Premium Bunsen at 3.5inch tall. It allows air ratio adjustments. Available in Natural and Liquid Propane gas versions.
Rubber Stopper, Color: Black, Stays pliable over a long period of time, For use with non-aggressive or concentrated solutions, Low sulfur content, Withstand temperatures from -25 to 70deg C, Approx. No. Per Lb: 16, Dimension: 34x27mm, Hole: 5mm, Size: 6.5