Adjustable orifice for mixed or straight natural gas, 800 to 1200 BTUs. One-piece, chrome-plated venturi tube mounted on heavy, die-cast base. Diameter of grid 1-1/2", overall height 8-1/2".

A noiseless burner designed to allow separate control of both flame temperature and flame length. Provides clean flame from 1/2" to 12" high. Completely rustproof. One-piece, 3-1/2" octagon-shaped, nickel-plated, die-cast..

For use with ¹⁄₂" tube burners equipped with flame stabilizer. (No extension required.) To be used with SB07242M Tirrill Burner. Optional beaker stand available (SB33225M).

Noiseless burner allows separate control of both flame temperature and length. Clean flame from 1/2" to 12" high. Rustproof. One-piece, 3-1/2" octagon-shaped, nickel-plated, die-cast base with 7/16" tapered and serrat..

An excellent adjustable bunsen burner for use with natural gas. Heavy-duty cast iron base provides an extra measure of stability. The unit has a chrome-plated steel tube with air regulator and threaded needle valve. Junior high and high school l..

With flame stabilizer, air regulator, and orifice. Base is die-cast zinc alloy, nickel plated. Aluminum mixing tube, serrated gas inlet connections. 2000-3000 BTU per cubic foot. 1/2" (13 mm) O.D. mixing tube. Overall height 6-1/8" (..

For use with Hooded Spark Lighter (SB16654M).

This self-contained bunsen burner stands on its own as a benchtop burner, and can also be used as a handheld torch. Contains a completely controlled flame size that can be manually controlled for off/on or set for a continuous flame. Will not flare ..

Features flame stabilizer, air regulator, and orifice. Aluminum mixing tube, serrated gas inlet. Base is die-cast, nickel-plated zinc alloy. Mixing tube: 1/2" (13 mm) O.D. Gas inlet: 5/16" (8 mm) O.D. Overall height: 6-1/8" (156 mm

Safer to use than matches, because the sparks will ignite combustible vapor only. Supplied complete with replaceable tip. Perfect for any school laboratory.