CREE XT-E XP-G XP-E Optics/Lens 20 degree (Pack of 6)

Description

Optics are an essential part of an LED lighting system.  Without them, the best LEDs on the market will not grow your corals properly.  The reason for this is that Optics (or lens) are designed to focus the light on your corals rather than your living room floor.  To help you choose the right optics, please check out our optic right up for more information:  Need help choosing the right optic?   **NOTE Optics will "slide on" but will not hold.  DO NOT USE SUPER GLUE TO ATTACH THE OPTICS - The fumes from the glue can damage the lens.  Use a tiny amount high temp silicon adhesive: Silicon lens / optic adhesive (high temperature) 45g