The most economical solution for controlling the flow of gas (0.5 - 1.5L / minute) from these canisters.
It allows the user to adjust the flow of gas.
For use with 34 and 110 litre canisters.

Chemistry School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Miniflow Regulator Lab Equipments used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Chemistry Lab Equipment for Engineering Teaching Lab in Universities