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The GrowIT Greenhouse-in-a-Box® Pro with roll-up side vents delivers quality construction, quick and easy assembly, and best-in-class value. Ready to build out of the box, the GrowIT Greenhouse-in-a-Box® Pro features a powder-coated 1-3/8 in. steel frame with ShelterLock steel stabilizers for added strength and durability. Specifically designed translucent cover transmits light for optimal plant growth. Easy Slide cross rails ensure a snug cover fit while Ratchet Tite tensioning provides solid cover anchoring to the frame. Roll-up side panels and zippered half-moon end-panel vents provide airflow and temperature control.
SKU 70684 Style Peak Material Polyethylene 5.5 oz Frame Color Gray Color Translucent Door Type 1 Double Zippered Door Panel with Screened Vents, 1 Rear Wall Panel with Screened Vents Size 12 x 20 x 8 ft. Width 12 ft. Length 20 ft. Height 8 ft. Rib Tubing Diameter 1.34 in. Total Storage Area 245.42 sq. ft. Total Storage Volume 1628 cu. ft. Assembly Required Yes Assembled Exterior Dimensions Width 148.08 in. Assembled Exterior Dimensions Depth 238.66 in. Assembled Exterior Dimensions Height 102.18 in. Assembled Interior Dimensions Width 145.4 in. Assembled Interior Dimensions Depth 235.98 in. Assembled Interior Dimensions Height 100.84 in. Door Opening Width Top 40 Door / Entrance Width Bottom 120 in. Door / Entrance Height Outside 88 in. Wall Height 73.9 in. Peak Height 28.28 in. Warranty 1 Year Limited Wind Speed Rating N/A Waterproof Yes Snow Load Rating N/A Water-Resistant Yes