Specifications:

• Exhausts 8,700 cubic feet of air per hour (145 cfm) on the dual fan unit 

• Computer grade 2,100 RPM ball bearing fans

• Continuous duty life of 50,000 hours (5.7 Years)

• Ultra thin fans allow vent to be closed and locked

• UV stabilized plastic and aluminum fasteners

• Sizes from 16" x 8"  to 24" x 8"

• Fans may be left in window year round

• Meets UL, CSA and TUV standards

• Quiet running, only 15 decibels

• Easily moveable to other vents at any time

• U.S. Patent 6,579,169

• Vent not included

Each fan unit includes:

• 12 volt DC power supply 

• 12 foot power cord

• Installation instructions

• One year limited warranty