Request InfoUV Process Supply Inc.UV Process Supply Inc. has unveiled a range of materials with different UV filtering capabilities up to 400 nm. Clear and orange flexible UV filter sheets offer 99.8% protection against UV radiation from windows, skylights and other light fixtures. The sheets are available in cut sheets or 5- x 100-ft uncut rolls, with optional adhesive backing. Rigid UV filter sheets offer 100% protection from UV radiation below 390 nm and 98% between 390 and 400 nm. 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