Shelter Logic GrowIT Greenhouse-in-a-Box Pro Peak 12 x 20 ft. Greenhouse

Shelter LogicSKU: 70684


*Product ships in 1-2 Days and delivers in 5-7 Days


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.

  • 12 x 20 x 8 ft. peak design for growing plants, starting seeds and extending growing seasons.
  • Triple-layer, heat bonded RipStop translucent cover is waterproof and UV treated inside and out. Specifically designed translucent cover transmits light for optimal plant growth.
  • Heavy duty 1 3/8 in. all-steel frame, patented steel ShelterLock Stabilizers, Ratchet Tite tensioning, and the Easy Slide Cross Rail System provide a stable and durable Greenhouse.
  • Roll-up side panels and half moons screen vents at each end provide optimal airflow and temperature control.
  • 15 in. ShelterAuger anchors come standard.
  • Temporary anchors included.


Product Details

SKU 70684


Assembly Manual Download (PDF)


Manufacturer ShelterLogic
Series Greenhouse-in-a-Box, GrowIT
Style Peak
Material Polyethylene 5.5 oz
Color Translucent
Frame Color Gray
Door Type 1 Double Zippered Door Panel with Screened Vents, 1 Rear Wall Panel with Screened Vents
Assembly Required Yes
Hardware Kit Yes


Width 12 ft.
Length 20 ft.
Height 8 ft.
Size 12 x 20 x 8 ft.
Total Storage Area 245.42 sq. ft.
Total Storage Volume 1628 cu. ft.
Rib Tubing Diameter 1.34 in.
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
Snow Load Rating N/A
Waterproof Yes
Water-Resistant Yes
Proposition 65 No

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