Crossbow Education Monitor Overlay colour, Aqua blue - 17 inch (269 x 337 mm). These overlays give a low cost screen tint that can give the user a nonadjustable approximate correction to aid their vision. Often users will require similar overlays for reading paper documents (see part codes A-CEO- for details). For a user adjustable solution see part code S-CSR. The overlays come in a range of standard sizes and can be cut down from the nearest oversize to fit your precise requirements.
