Da-Lite 36672GR Fast-Fold Panel Mask (Gray, 12-3x21, 4:3)

DA-LITE Fast-Fold® drapery panels mask from an HDTV viewing area to NTSC 4:3 video format or 16:10 wide format (based on model selcted). It features: * Available for Fast-Fold Deluxe, Heavy Duty Fast-Fold Deluxe and Fast-Fold Truss * Panels Velcro into place at the top of the screen and snap into place to the positioned snap studs along the screen binding * The panels allow a native 16:9 Fast-Fold screen to be properly cropped to a standard 4:3 format or 16:10 wide format, which doubles the functionality of the screen * Available in Ultra Velour, which is inherently flame retardant * Da-Lite Ultra Velour can be washed in a washing machine, and will continue to be flame retardant while the cotton velour will lose its ability to be flame retardant with a number of dry cleanings * Da-Lite Ultra Velour is sound neutral with a high opacity * Available in black, blue or gray