ORCA reflective, UV protected, grow films microfiber structure creates even light distribution across material surface regardless of incident angle of light. The resulting isotropic surface luminance eliminates hot spots and does not require surface to be hung flat during installation. Highly Reflective Surface: Measured at 94% reflectivity across the full visible light spectrum. ORCA Grow Film® is the highest performing reflective surface in the hydroponic industry. Available from Plant Lighting Hydroponics at a low price.