Twin Wall - Clear 6mm - Polycarbonate Sheets Exhaust Shutter the shutter utilizes interlocking louvers

the shutter utilizes interlocking louvers that create a tight weather seal when closed

The durable aluminum shutter construction and greenhouse-rated equipment are built to support dependable performance across a wide range of growing environments

• Width: 135 cm (53") / Height: 170 cm - 180 cm (67" - 71") / Depth: 10 cm (4") (excluding reservoir)

For your safety

Twin Wall - Clear 6mm - Polycarbonate Sheets Exhaust Shutter the shutter utilizes interlocking louversCoverLite 6mm twin wall multiwall polycarbonate sheet provides high light transmission, UV protection, and great impact strength. 6mm Double Wall Polycarbonate Panels Available in "Clear" or "Diffused" Size of each sheet is 4' x 8' (4 feet by 8 feet) Weight of each sheet is 3. 18kg 7lbs Thickness is 6mm UV protection 1UV Price per sheet: $65 10 Year Warranty