Panasonic FV10VS1 Ventilation Fan

This WhisperWelcome™ ventilation fan model features Low Profile Housing Design with a housing depth of only 5-5/8", WhisperWelcome fans provide flexibility for installation in 2" x 6" and 2" x 8" ceiling joists. Dual rated for 4" or 3" duct, they are ideal for renovation since you can use the existing duct. After 20 minutes, this ventilation fan has the built-in delay timer turns the fan off. No more forgetting to turn the fan on with Panasonic's decision free technology. Since .1" w.g. is an unrealistic amount of static pressure when installed, our fans have been rated at .25" w.g., the industry standard for performance measurement for ASHRAE, ENERGY STAR®, LEED for Homes, and HVI. Panasonic leads the way with incomparable sone levels at both .1" and .25" w.g. ASHRAE, ENERGY STAR®, LEED for Homes, and HVI have set the industry standard for performance measurement at .25" w.g. The new WhisperWelcome fans not only provide powerful CFM output at .25" w.g., but our sones have also been certified at .25" w.g. So they are quiet under pressure and after installation. This ventilation fan is ENERGY STAR®-qualified products feature super-quiet operation and high CFM-to-Watt efficiency. The ENERGY STAR program was created to help consumers identify products that can save them money and protect the environment by saving energy. As an ENERGY STAR partner, all of our fans are ENERGY STAR-qualified and labeled accordingly. This ventilation fan has Detachable adaptors, firmly secured duct ends, adjustable mounting brackets (up to 26"), fan/motor units that detach easily from the housing and uncomplicated wiring all lend themselves to user-friendly installation. This model also features a double-hanger bar system for ideal positioning. This Panasonic fan has a built-in damper to prevent backdraft, which helps to prevent outside air from coming through the fan. Also, thanks to our efficient, cool running motors, it does not create excessive heat. Loose fill or battery insulation can be placed directly over the fan housing to prevent heat from escaping.