Ventmate 67304 Vent Cushion with Pull Strap<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Simple push 3 inch thick R-4 insulated insert into any standard 14 inch roof vent and save energy</li><li>Prevents heat loss during cold nights</li><li>Increases air conditioner efficiency during hot days</li><li>Pull strap for easy removal and inserts easily into vent</li><li>Great for summer or winter， keeps light out</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VtOF7ZETL.jpg" noproxy>