Standard Micro-Bunsen Burner, Artificial Gas, 7/16 " (11mm) Mixing Tube Od, 2.8 Cfh, 1,680 Btu Output, 3-1/2 " (89mm) Overall Height, Each

Details:

Humboldt bunsen burners are high-quality, american-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: cfhs and btu outputs are figured on: 5 inch water column pressures for artificial and natural burners. 11 Inch water column pressures for lp burners. Inlet od for all burners: 5/16 " serrated.