Photo 1 of Greenhouse Vent Automatic Opener Greenhouse Accessories Window Opener Auto Vent Kit Sensitive Gardening Tools Automatic Greenhouses Supplies Solar Heat Sensitive Dual Spring Lifts 33lbs (1pc)

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Photo 1 of Greenhouse Vent Automatic Opener Greenhouse Accessories Window Opener Auto Vent Kit Sensitive Gardening Tools Automatic Greenhouses Supplies Solar Heat Sensitive Dual Spring Lifts 33lbs (1pc)Photo 2 of Greenhouse Vent Automatic Opener Greenhouse Accessories Window Opener Auto Vent Kit Sensitive Gardening Tools Automatic Greenhouses Supplies Solar Heat Sensitive Dual Spring Lifts 33lbs (1pc)