Smoke Pen Refill S221

In stock
Only 18 left
SKU
3570.121
$29.98

This 6 pack of smoke pen refills creates a thin trail of dense, white smoke for checking airflow, drafts, and leaks. Smoke can be started and stopped as needed.

Features:

  • 6 pack
  • Refill wicks for the S220 smoke pen
  • Each wick produces a stream of dense, white smoke for up to 30 minutes
  • Provides a total of three hours of continuous smoke in all
  • S221 refill wicks require an S220 smoke pen to operate properly
  • Not for use near combustible gases

Requires a S220 Smoke Pen

More Information
Manufacturer Specific No
Brand Regin
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