AC Infinity Automatic Duct Fan 4 Inch, Inline Fan with Differential Pressure Switch
AC Infinity's automatic 4 Inch duct fan with a differential pressure switch for hands-off ventilation.
Price range: See on Amazon
What we liked
- + Differential pressure switch turns on airflow automatically
- + 4 Inch inline fan is simple to add to existing ducts
- + Hands-off operation is handy during unattended firings
Trade-offs
- - Built for general ventilation, not kiln exhaust specifically
- - Automatic switching may not trigger reliably for kiln fumes
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