Made of heavy-duty polyester which is see-through and lightweight

Dual-zone environmental monitoring

It also features smart controls

With factory installed features like a tip-over safety switch and a thermoelectric safety valve with 3 heat settings of 6

They are small

Alton | Internal Retractable Greenhouse Roller Shade WORKTABLE Made of heavy-duty polyester whichControl sunlight and temperature inside your greenhouse with shading from the Alton Internal Retractable Roller Blind. This essential shade cloth accessory provides an effective way to manage light and shade levels and protect your plants from overheating, creating the perfect environment for healthy growth. Fabric is 22" wide, with a maximum pull out length of 85". Key Features: Effective Light Control Reduces glare and diffuses direct sunlight to