Hoklartherm Universal Retractable Roll-up Roof Shade Curtains Polyvinyl Carbonate Greenhouses Windows: 6 Roof Vents

Windows: 6 Roof Vents

a black background gets really hot)

roughly corresponds to that of a mirror - no heat is generated on a mirror

Get your plants more hours of light for maximum growth

Hoklartherm Universal Retractable Roll-up Roof Shade Curtains Polyvinyl Carbonate Greenhouses Windows: 6 Roof VentsHoklartherm Universal Retractable Roll up Roof Shade Curtains Hoklartherm's retractable curtains, made in Germany, use aluminum fibers to create a drier, fungus free environment. Available in various sizes for most greenhouses, each curtain is 8 feet long and made from white FFS 4 4 aluminum and acrylic fabric. Providing 55 60% shading, these curtains are expertly designed and manufactured.