For injecting smoke into large openings. Insert the deflated bladder and inflate with the built-in hand pump.
For blocking off smoke. Tuck the input hose into the rear of the bladder to crimp it and block off the bladder turning it into an inflatable plug.
For testing door jambs. Guide it through your door jambs until you see turbulent air blowing the rising smoke.
1. Set your A/C blower fan to MAX.
2. Turn OFF circulation.
3. Close all doors and build positive air pressure inside cabin. Air will naturally escape through leaks in door jambs.
4. Run smoke through Universal Bladder for a slow steady stream of thick smoke.