A draft control is a simple solution to a complex problem. The draft control provides for a consistent, stable air supply for efficient burn in wood stoves, oil fired furnaces, boilers, space heaters and camp stoves. The most popular draft control on the consumer market is the B-34TJ. There are six sizes to fit pipes from 3" to 8". Step-by-step, easy to follow instructions guide the homeowner through installation and proper adjustment. Replacement dampers are also available.