4-Inch Duct Fans

WhisperCeiling DC Precision Spot Ventilation Fan with built-in Pick-A-Flow speed selector switch allows you to select your required airflow (50-80-110 CFM). Features a ECM Motor with SmartFlow technology and a Flex-Z Fast installation bracket. Can be used to comply with the latest codes and standards..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design. Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMARTFLOW TECHNOLOGY: When the fan senses static pressure, speed is automatically increased to ensure optimal CFM output, thereby increasing your fan's ability to eliminate humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, IAP, EarthCraft, California Title 24, Washington VIAQ codes and standards

WhisperCeiling DC Precision Spot Ventilation Fan/Light with built-in Pick-A-Flow speed selector switch allows you to select your required airflow (50-80-110 CFM). Features an ECM Motor with SmartFlow technology and a Flex-Z Fast installation bracket. Can be used to comply with the latest codes and standards..EXTREMELY QUIET : Precision, whole-house ventilation solution ideal for use in the bathroom, laundry room, sun room, basement or garage.Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor, 5-year warranty on LED lamps, and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design. Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMARTFLOW TECHNOLOGY: When the fan senses static pressure, speed is automatically increased to ensure optimal CFM output, thereby increasing your fan's ability to eliminate humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, IAP, EarthCraft, California Title 24, Washington VIAQ codes and standards

WhisperFit DC Fan/Dimmable LED and Nightlight is an ideal retrofit solution. Built-in energy efficient ECM (DC) motor with Pick-A-Flow airflow selector allows you to select required airflow (50, 80 or 110 CFM). Single-hinged Flex-Z Fast bracket, pre-installed alignment guides, and temporary clip allows for flexible, fast and easy installation. Can be used to comply with the latest codes and standards..Revolutionary ECM motor with SmartFlow Technology ensures optimal CFM output.Built-in Pick-A-Flow airflow selector allows you to select your required airflow of 50, 80, or 110 CFM with a simple flip of a switch.Lighted model incorporates one 10W dimmable LED chip panel with 1W LED night light for warm, long-life energy efficient illumination (night light must be wired separately).Single-hinged Flex-Z Fast bracket provides flexible, fast, and easy installation.Low profile 5-5/8 housing depth fits in 2 x 6 joist size or larger.Can be used to comply with ASHRAE 62.2, LEED, IAP, and California Title 24

WhisperFit DC Fan is an ideal retrofit solution. Built-in energy efficient ECM (DC) motor with Pick-A-Flow airflow selector allows you to select required airflow (50, 80 or 110 CFM). Single-hinged Flex-Z Fast bracket, pre-installed alignment guides, and temporary clip allows for flexible, fast and easy installation. Can be used to comply with the latest codes and standards..Revolutionary ECM motor with SmartFlow Technology ensures optimal CFM output.Built-in Pick-A-Flow airflow selector allows you to select your required airflow of 50, 80, or 110 CFM with a simple flip of a switch.Single-hinged Flex-Z Fast bracket provides flexible, fast, and easy installation.Low profile 5-5/8 housing depth fits in 2 x 6 joist size or larger.Can be used to comply with ASHRAE 62.2, LEED, IAP, and California Title 24

WhisperValue DC with multi-speed allows you to select the proper CFM settings to satisfy ASHRAE 62.2 code compliance for continuous ventilation requirements. As the lowest profile ENERGY STAR rated ventilation fan available it is ideal for all types of residential and multi-family construction..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

WhisperValue DC Fan with pre-installed condensation sensor helps control bathroom condensation to prevent mold and mildew. It is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single and Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50-80-100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.CONDENSATION SENSOR: This automatic sensor will turn on your ventilation fan when humidity is detected, a convenient way to prevent mold and mildew.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

WhisperValue DC Fan/LED Light is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single, Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50, 80 or 100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

WhisperValue DC is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single; Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50, 80 or 100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

WhisperSense DC Precision Spot Ventilation fan/LED Light with built-in Dual Sensor Technology (Motion and Moisture) for automatic moisture and odor control. Features Pick-A-Flow speed selector switch to select required airflow (50-80-110 CFM) and ECM Motor with SmartFlow technology for optimum performance. Can be used to comply with the latest codes and standards..QUIET, CLEAN AIR: At less than 0.3 sones, this fan operates just as loud as a whisper as it increases your air quality by eliminating humidity, mold, mildew, and other air pollutants from any room.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air - Less energy leads to less overheating and motor failure, saving you on repair costs - Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design - Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMART SENSORS: Built-in adjustable motion and humidity sensors with auto shutoff for increased energy efficiency.CODE COMPLIANT: WhisperSense DC was awarded ENERGY STAR 2018 Most Efficient - The fan also complies with ASHRAE 62.2, LEED, CALGreen, California Title 24, Washington VIAQ codes and standards

WhisperSense DC Precision Spot Ventilation fan with built-in Dual Sensor Technology (Motion and Moisture) for automatic moisture and odor control. Features Pick-A-Flow speed selector switch to select required airflow (50-80-110 CFM) and ECM Motor with SmartFlow technology for optimum performance. Can be used to comply with the latest codes and standards..QUIET, CLEAN AIR: At less than 0.3 sones, this fan operates just as loud as a whisper as it increases your air quality by eliminating humidity, mold, mildew, and other air pollutants from any room.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air - Less energy leads to less overheating and motor failure, saving you on repair costs - Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design - Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMART SENSORS: Built-in adjustable motion and humidity sensors with auto shutoff for increased energy efficiency.CODE COMPLIANT: WhisperSense DC was awarded ENERGY STAR 2018 Most Efficient - The fan also complies with ASHRAE 62.2, LEED, CALGreen, California Title 24, Washington VIAQ codes and standards