Smoke Pen & 6 Smoke Sticks Kit 6

Comes with 6 Smoke-Sticks™ providing up to 3 hours of controllable smoke.
• 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.
• Available in Kits with 3 or 6 refill packs.
• Refill packs available seperately.
• Offers over 3 or 6 hours of smoke (stop/re-start usage).
• Non-corrosive, not harmful.