Red, green or blue Vinyl Filter Sheets.

Style: Transparent, rigid sheet

Size: 19.05 x 24.10cm (8-1/2" x 10-1/2")

Available options:

• 12 x Red
• 12 x Green
• 12 x Blue
• 6 x Red and 6 Green

*Note: It is not recommended that these sheets be used as overlays, as they are meant to be filters used with red/green printed materials. For overlays, it is recommended to use our Reading Units or Stereo Trainers.