Stealth Medio furnishes a concealed, medium size retractable screen with a trapdoor in sizes up to 16feet 9inches in image width. A 19foot 9inch diagonal unit in 16:10 format and up to a 19 foot 2 ½ inch diagonal in HD format. A generous amount of black area above the image is available. As always, each screen is individually customized to properly fit your ceiling height and match viewing angles. Optional vertical or horizontal, acoustically transparent masking is also available.