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DBF 4XL is a duct booster fan designed for boosting air on demand. The product is equipped with a 5 feet cord, pressure-sensing switch that activates the fan once positive pressure is sensed in the duct line. The switch shuts the fan off when the pressure in the duct's normalized. The DBF 4XL features a galvanized metal housing, pressure-sensing switch and a 5 feet cord for 120V/1~ connection. Suitable for 4" ductwork.Performance certified by HVI; safety certified by ETL to UL507.<br><br>


Fantech Duct Booster Kit With FG 4XL Fan DBF4XL, 120V, 173 CFM

dryer-booster-kit-with-fg-4xl-fan-dbf4xl-120v-173-cfm

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