Tjernlund - 7H-L0BE-W50U DBM4 Duct Booster Fan for 4 Flex or Metal Duct (100 CFM) : Everything Else
Systemair Dryer Booster Kit with Fan DBF 4XL Fantech - Built In Household Ventilation Fans
DEDPV-705 UL Listed Ventilator - Fantech
Fantech DBF 4XL Dryer Duct Booster Fan 4, 120 V, 150 CFM, NEW
It helps your dryer run efficiently while removing the warm and moist air from the dryer duct. The fan should be added in the dryer duct run when the length of the run exceeds 40 feet with no bends, 35 feet with one bend or 30 feet with two bends. The fan can be used to effectively maintain dryer exhaust in duct runs up to 130 linear feet. The DBF 4XL features a pressure switch that automatically activates the exhaust fan once the dryer is on.
Fantech DBF 4XL Dryer Booster Fan
DBF 110 is a duct booster fan designed for boosting air on demand. The product is equipped with a 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 110 features a plastic leak-proof housing and a pressure-sensing switch. Suitable for 4 ductwork.Performance certified by HVI; safety certified by ETL to UL507.
Fantech DBF 110 Dryer Booster Fan
DBF 110 is a duct booster fan designed for boosting air on demand. The product is equipped with a 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 110 features a plastic leak-proof housing and a pressure-sensing switch. Suitable for 4 ductwork.Performance certified by HVI; safety certified by ETL to UL507.
Fantech DBF 110 Dryer Booster Fan
Fantech Exhaust Fans : Wave Plumbing Supply
Fantech Dryer Booster Fan System DBF110 - The Home Depot