Rubylith Red Mask Film, Two Sizes!
Red film on an optically clear, photo grade polyester base.
Excellent dimensional stability. Sheets are easily cut to size
with scissors or razor knife. 0.006" thick.
Use for laptop computer displays, CRT displays, flashlight filters,
automobile interrior lights, etc. Dims and filters out non-red light
with an opacity of 4.0 or greater.
Prices include shipping in the USA!