JHG offer 3-5mm from 90-98% LT glass with rectangular sizes, shape sizes for greenhouse,hobby glass house. JHG may offer different greenhouse glass items: Tempered low iron glass 91+ Tempered clear glass 89+ Tempered AR glass� 95+ Tempered diffuse glass with 30-75 Haze Greenhouse Glass Advantage: Durability, Glass is the strongest of all greenhouse materials Becautiful Appearance. High light transmission, high UV available Shatter-Resistant