Method Seven HPS Perfect Color Plus Crystal Glasses 4' x 8' Whether you want to improve

Whether you want to improve airflow in a grow room or need enhanced humidity control in an industrial setting

BPA-free material

A high-frequency double-impeller design self-primes and lifts water up to 26 feet

and it exists to solve one specific problem

Growlab model GL290: 9'6" x 9'6" x 6'7" (outside dimensions)

Method Seven HPS Perfect Color Plus Crystal Glasses 4' x 8' Whether you want to improveMethod Seven HPS Crystal Glasses for Color Correct Vision Designed for growers working under high pressure sodium lighting, these HPS Crystal lenses use premium German mineral glass to filter harsh spectra and restore natural color. That means easier scouting for leaf issues, pests, and nutrient imbalances with unmatched visual clarity. Mineral Glass Lenses with UV & IR Protection The scratch resistant mineral glass is easy to clean and stays clear