Ventline V2094SP-28 White 12V New Style Ventadome<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Lift mechanism provides a smooth operation and eliminates chatter; 14.25 inch x 14.25 inch rough opening</li><li>The slide mechanism has more surface area contact</li><li>Making the guide bar stronger and allowing better distribution of stress</li><li>2-piece snap-out screen easily detaches for cleaning</li><li>The ceiling garnish and crank handle remain in place: no screws to lose</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41WbbxMUFiL.jpg" noproxy>