Regin S221 Refill Wicks - B6E9RYYNN

6 replacement wicks for Regin S220 Smoke Pen Each wick produces approximately 30 minutes of smoke Thin trail of dense, white smoke for checking air flow, drafts and leaks Smoke can be started and stopped as needed Not for use near combustible gases

Regin S221 Refill Wicks - B6E9RYYNN