Smoke Stick Kit - Containing 1 Smoke-Pen™ specially designed for easy use of the Smoke-Sticks™. Comes with a refill pack of 3 Smoke-Sticks™ providing up to three hours of controllable smoke.
Specifications:
First product on the market offering pencil - thin smoke pattern
Ideal for testing for the slightest air-movement, gas spillage
For mandatory CO spillage checks of boiler/case sills after fitting/re-fitting
HVAC air-movement/leakage checks
Offers over 3 hours of smoke (stop/re-start usage)
Non-corrosive, not harmful