About this item

• Lift mechanism provides a smooth operation and eliminates chatter; 14.25 inch x 14.25 inch rough opening
• The slide mechanism has more surface area contact
• Making the guide bar stronger and allowing better distribution of stress
• 2-piece snap-out screen easily detaches for cleaning
• The ceiling garnish and crank handle remain in place: no screws to lose
• New aerodynamically shaped dome is more durable
• Improved lift mechanism provides a smooth operation