Meker type.
Natural Gas.
Overall height: 8 1/2".  
One-piece, chrome-plated venturi tube.
Produces a very hot flame as for heating platinum wire.
Cap has honeycombed, monel grid that forms many uniform blue (hot) cones.

Chemistry School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Burner, High-Temperature Natural Gas Burner Lab used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Chemistry Lab Equipment for Engineering Teaching Lab in Universities