48 in. - UV Blocking Tube Guard with End Caps - Protects to 525 Nanometers
Eliminates all UV rays - 0% transmittance below 525 nanometers.For Photo Labs and Clean Rooms
American Made Plastics
F32T8 and Shorter
Rated 5 out of 5 by 1
Rated 5 out of 5 by RandyCA T8 blue blocking covers
I bought these to block the blue light spectrum. They worked great. All dark blues appear black, and lighter blues became shades of gray.
July 18, 2014
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