PROFESSIONAL GRADE Grow Room Glasses Indoor/Outdoor Hydroponics Anti UV, Reflection, Glare Optical Protection (Light Emitting Diode (LED) PROFEESSIONAL GRADE GRGs Designed for LED (Light Emitting Diode) Bulbs Block harsh UV rays from indoor grow room lighting. Glare is drastically reduced and color is corrected, alleviating eyestrain Comfort Fit Designed Frames allow you to wear them for hours! Compare to Method 7 Brand but much more affordable!