Pella 150 Series Replacement White Vinyl Low‑E Argon Double‑Hung Window with Full Screen, 31 1 2 in. x 53 1 2 in. Outdoor Enclosure Fully dimmable with magnetic type high CRI brightness indoors Fully dimmable with magnetic type dimmer control on the 120VAC side of transformer Q: What performance benefits does it provide Specification Details Series Name 150 Series Frame Material Vinyl Color Finish Family White Exterior Color Finish White Interior Color Finish White Hardware Color Finish White Actual Size (W x H) 31 1 2 in x 53 1 2 in Common Size (W x H) 32 in x 54 in Rough Opening Size (W x H) 32 in x 54 in Jamb Depth 3 1 4 in Clear Opening Size (W x H) 26 29 32 in x 21 5 64 in Weight 38 lbs Glazing Type Double pane Glass Insulation Low‑E argon Glass Strength Annealed Argon Gas Insulated Yes Balance System Constant force Frame Profile Beveled Grid Included No High Altitude Rated No Impact Resistant No Insect Screen Included Full while the Low‑E glaze quietly elevates comfort