Cineperm permanently tensioned projection screen is a snap-on projection screen with aluminum frame. Provides contemporary, theatre-like appearance wherever a fixed screen is required. Flexible viewing surface is stretched perfectly flat and snaps onto a 1 tubular aluminum frame for superior image quality. Aspect Ratio: 4:3 Aspect Ratio: 4:3 Product Type: Projection Screen Diagonal Image Size: 90 Product Type: Projection Screen Diagonal Image Size: 90 Manufacturer Part Number: 250013 Weight (Approximate): 24 lb Mount Type: Ceiling Mount Manufacturer: Draper, Inc Product Name: Cineperm Manual Wall and Ceiling Projection Screen Mount Type: Ceiling Mount Product Line: Cineperm Brand Name: Draper Screen Fabric: Matt White XT1000V Brand Name: Draper Screen Fabric: Matt White XT1000V Screen Gain: 1 Projection Formats: NTSC Screen Folding Mechanism: Manual Product Family: Cineperm Screen Height: 54 Screen Width: 72 Screen Folding Mechanism: Manual Screen Height: 54 Screen Width: 72