Left panel operating only (viewed from the outside). White. Insulating Low-E glass with screen. All windows are with 3/4 OA clear. All frames are assembled utilizing fusion-welded technology for added strength and durability. Integral nailing fin can be easily removed for replacement purposes. Exclusive WEN-Lock with visible latch indicator. High-quality finpile weatherstrip applied along the full perimeter of the operating sash. Fiberglass charcoal color insect screen in an aluminum frame that matches the color of the unit. Overall frame width is 2-29/32". DP R-20. Non-reversible. Does not come with breather (capillary) tubes. Not for high elevation applications 4500 feet above sea level or higher.