Basement Hopper Model ID: 5900 The Series 5900 hopper window is ideal for applications where ventilation is required, yet space is limited, such as basements and garages. It is a cost effective, low maintenance product that offers a clean look and reliable performance.		Frame Model ID 5900 Construction Frame/Sash Mechanically Assembled Frame and Sash Exterior Appearance Flat Frame Profile Frame Features Not Applicable Frame Depth 3-1/4" Structural Performance Size: 36" x 24" - DP 20 Size: 42" x 31" - DP 15 Size: 48" x 25" - DP 15  Glass Model ID 5900 I.G. Thickness 7/8" Dual Pane Glass Type Clear Spacer Type Intercept® Warm Edge Glass Options LoE², LoE²/Argon, Tempered, Tinted, Obscure U Factor Clear Glass - 0.47 LoE² Glass - 0.35 LoE²/Argon - 0.32  Hardware Model ID 5900 Lock Type Turn and Tilt Locking Handle Operating System Not Applicable Screen Cloth 18 x 16 Fiber Mesh Screen Frame Color Coordinated Roll Form  Options Model ID 5900 Color White or Beige Grille Type 3/4" Contoured or 13/16" Flat Grille Extension Jambs Not Applicable Other Not Applicable  Size