Diffraction Grating Film - 6 inches wide, 3 feet long

Diffraction Grating Film - 6 inches wide, 3 feet long
Item# miscdiffractionfilm3ft
$9.99

Diffraction Grating Film, 13,500 lines/inch, double axis diffraction. Commonly used in fireworks viewing glasses. 6 inches wide, 3 feet long, rolled in a reusable tube. When placed in a window with direct sunlinght, rainbows will be projected into the room.