Pella 150 Series New Construction 31 1 2 in x 37 1 2 in White Vinyl Low e Argon Double Hung Window with Grids, Full Screen Included Rural Mailboxes assemble as freestanding or wall assemble as freestanding or wall mount using the included hardware Heat up to 130 degrees Fahrenheit Plug into any standard outlet Minor assembly required 75 Table Length (in 4447 Mulling N A Design Pressure (DP) Rating 35 Nail Fin Integrated Frame Material Vinyl Number of Locks 2 Frame Profile Beveled Obscure Glass No Glass Insulation Low E argon Paintable No Glass Strength Annealed Project Type New construction Glazing Type Double pane Screen Frame Type Roll form Grid Included Yes Screen Included Full Grid Pattern Traditional Screen Type Fiberglass mesh Grid Profile Contoured Solar Heat Gain Coefficient (SHGC) 0 Open the top and bottom sash for ventilation and tilt them in for effortless cleaning