Find high quality smoke s220 with competitive price here. Please rest assured to buy smoke s220 with AUD purification technology co., Ltd

Smoke and burn core-toxic, no shipping restrictions

Core will provide up to 3 hours of continuous smoke or 360 30-second test

Smoke flow in a stable and sustainable, can be easily put out burning burning core, the next test can still be normal use

Gas balancing, air balance ratio

Not very strong smoking hot steam = very low interference

Reveal the smallest leak or air flow