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White steel tunnel greenhouse, 12 by 10 by 7 feet, 140 GSM PE cover, 85% light transmission, zippered mesh door and six mesh windows

tuphen

tuphen 12' x 10' x 7' Walk-in Greenhouse Trellis, White Steel Frame, 140 GSM PE Cover, 85% Light Transmission

SKU CH-MH6J-48CD0

A walk-in greenhouse with a galvanised steel frame, 140 GSM PE cover transmitting 85% light, zippered mesh door and six mesh windows for ventilation

  • Frame materialSteel
  • Product typeTrellises
  • Product colorWhite
  • Spacious 12' x 10' walk-in growing area for plants
  • Galvanised steel frame with bracing resists chipping and peeling
  • 140 GSM PE cover transmits 85% sunlight while blocking UV
  • Zippered mesh door and six windows ventilate without pests
  • Tethers and tape secure cover to frame on soft ground

Large Walk-in Greenhouse Space

This walk-in greenhouse measures 12 by 10 feet with a 7-foot height, creating a spacious environment for fruits, vegetables, herbs, and flowers. It extends the growing season by shielding plants from extreme temperatures and serves as a personal plant nursery.

140 GSM PE Cover and Mesh Access

The 140 GSM PE cover transmits 85 percent of sunlight while blocking UV scorching and features a tear-resistant reinforcement grid. A zippered mesh door and six mesh windows provide ventilation and access while keeping insects out, secured with included tethers and tape.

Gardeners Needing Season Extension

Suited for growers who want a large covered area to start seedlings or protect crops from wind, rain, and cold. Not for buyers who need a permanent glass or polycarbonate structure, or those requiring a smaller footprint for limited yard space.

How it compares

Measured against everything we stock in Trellises, Pergolas & Garden Arches, at today’s prices. Recalculated every night.

Price $213.99
Cheaper than about 81% of the 170 comparable items (median $379.99).

Specifications

Product
Product typeTrellises
Product colorWhite
Size & build
Frame materialSteel

Questions about this item

How often will the 140 GSM PE cover need replacing?

The tear-resistant reinforcement grid extends cover life, but UV exposure and weather will eventually degrade the polyethylene material requiring replacement.

What limits daily use of the 85% light-transmission cover?

The 85% light transmission balances plant growth with UV protection; prolonged intense sun may still stress sensitive plants inside.

How hot does the steel frame get under all-day sun?

The galvanized steel frame absorbs solar heat; internal temperatures rise until the six mesh windows and zippered door are opened for ventilation.

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