Heat Shield Fan Cover spl_hf have a warranty period of

have a warranty period of 1 year from the original date of purchase

Rapidly growing plants and high yielding gardens need additional micro-nutrients to facilitate the uptake of the primary nutrients

Completely sealed against dust and moisture

4000K color temperature

Heat Shield Fan Cover spl_hf have a warranty period ofThe Fan Heat Shield blocks the heat generated by inline duct fans from radiating off of them. This means that less heat finds it way into your room, allowing it to be better carried away by your existing ventilation system. This results in a cooler environment, increased plant growth, and more energy savings from increased A C efficiency. Fits 4", 5", and 6" inline fans