Parshield®
Parshield® — the patented clip-on visor for outdoor PAR-38 floodlight and spotlight bulbs. The Parshield visor turns an ordinary flood light into neighbor–friendly shielded lighting. With our light shields and proper aiming, you can eliminate light trespass and preserve the dark sky.
Buy!
Up to 45% of light pollution is caused by residential lighting. Be a good neighbor, shield your lights!