Standard Aluminum, 910C, FC, 1" Setback, Ext Clear Anodized/Int Clear Anodized U-Factor: .53, SHGC: .22, VT: .46 Size: RO 34" x 52" Net Frame 33 1/2" X 51 1/2" Model: Casement Handing: Casement Right Glass: 3/16" SunCoatMAX (Low-E) over 3/16" Clear Other Glass: Gray EdgeGard Spacer with Argon Hardware: Push Out Handle, 90 Degree Hinge Screen: Hinged with Fiberglass Mesh Ratings: STC: No Rating, OITC: No Rating, Tested: LC40 Clear Opening: W 29 3/16" x H 48 7/8" Sq. Ft. 9.91 Egress: Yes Other Ratings: CPD: MIL-A-171-02908-00001