Liquid Propane Bunsen Burner, No-Tip Safety with expanded base prevents tipping, even with hoses connected and easy carry handle for safe handling, The flame stabilizer comes standard and the is available in both Natural Gas and Liquid Petroleum variants, 6.5inch tall.
Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.