At Woot, get this Matulsa 4″ x 10″ Register Booster Fan for $30. It’s the best price we could find by $30. It fits standard 4″ x 10″ vents and includes both a remote and built-in controls, with 10 speed settings and automatic temperature detection to help even out hot and cold spots in a room. Buy Now at Woot! An Amazon Company
Features
Fits standard 4″ x 10″ register vents 10 adjustable fan speed settings Includes remote control plus built-in button controls Automatic temperature detection for heating & cooling modes Plug-and-play power cord for easy installation
