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 Exterior Paints 7 in Certifications and Listings FRUSTRATION FREE Detailed 7 in Certifications and Listings UL Listed Manufacturer Warranty 2 Year Pieces per Box 30 Box Weight 17 lb Grade Grade 1 Upgrade your build with Pella’s 150 Series for dependable performance Specification Details Series Name 150 Series Actual Size (W x H) 31 1 2 in x 37 1 2 in Common Size (W x H) 32 in x 38 in Rough Opening Size (W x H) 32 in x 38 in Clear Opening Size (W x H) 26 29 32 in x 13 5 64 in Jamb Depth 4 3 16 in Frame Material Vinyl Color Finish Family White Interior Exterior Color White White Frame Profile Beveled Project Type New construction Nail Fin Integrated Glazing Type Double pane Glass Insulation Low‑E argon Glass Strength Annealed Argon Gas Insulated Yes Screen Included Full Screen Type Fiberglass mesh Screen Frame Type Roll form Tilting Yes Tilt Mechanism Flush Ventilation Latches Double Lock Type Cam Number of Locks 2 Balance System Constant force Design Pressure (DP) Rating 35 U Factor 0