Maintenance Free PVC Which Will Not Warp, Peel or Corrode. Double Pane - Insulated 3.2 mil Durable Tempered Glass Low E. R-Value is 3.8 (Higher the Number The Better). U-Value is 0.265 (The Lower The Number The Better Insulation).Other Octagon Windows on the Internet have a. Visible Light Transmittance (VLT) of 61%. Weather Tight Seal - Keeps Cold Out. Easy to install with Screw / Nail Flange. 3" Dept and 7/8" Flange Goes All Around the Window With the Flange Being 1" From the Front and 2" From the Back. This Window comes in Four Different Sizes 18", 20", 22", and 24" See Our E-Bay Store For More Sizes. Once Once You Received Your Window You Have Five (5) Days To Notify Us Of Any Issue / Damage With The Window. 18" x 18" x 3.
Depending on photo we will either send you a return label to return item or instruct you to dispose of the item. Once all items are in your cart, on the Shopping cart Page, your items will be listed with a box drawn around them. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Windows & Window Hardware\Other Window Accessories". The seller is "theresas117" and is located in this country: US. This item can be shipped to United States.