Draper 253784 Onyx 220 Inch Fixed Projection Screen

The Onyx permanently tensioned projection screen provides a beautifully framed image, and assembles in about 10 minutes. Front projection. The 4" wide beveled, extruded aluminum frame interconnects on site. Features: There are no snaps! Uniform tension is applied to the entire surface area, so the surface is perfectly flat. Unique fabric retention system enables you to adjust the surface tension up to 1-1/2", both vertically and horizontally in increments of approximately 3/8" in just seconds,...