Bunsen burners with gas tap

SKU: 6801322*LLG
6801322*LLG
Manufacturer: LLG
Bunsen burners with gas tap
DIN 30665. Air regulation, spar flame.
Manufacturer:Carl Friedrich Usbeck KG
Article description 1:Bunsen burner for propane
Article description 2:with gas valve, air regulator
Article description 3:low flame inside, DIN version