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Shed Sizes
Shed Types
Shed Brands
Carports
Gazebos
Greenhouses
Playgrounds
Other Structures
Designed to replace the manual vent arm, the simple, oil-filled cylinder will automatically open and close your vent window as the temperature rises and falls.
Designed to replace the manual vent arm, the simple, oil-filled cylinder will automatically open and close your vent window as the temperature rises and falls. The Automatic Vent Opener will start to open as temperatures inside your greenhouse reach 68°F with full-open at 80 degrees. It installs quickly and easily and will provide care-free ventilation for your greenhouse. Fits all Palram greenhouses.
Frame Material
Metal Greenhouses
Panels
Polycarbonate Greenhouses
Warranty
1 Year Ltd.
Shipping
Free shipping in the lower 48 states only.
Ship Method: Small Parcel
Shelter Logic 4x4x2'4 Peak Raised Bed Greenhouse - Roll-Up (70619)
Palram – Canopia 8x8 Hobby / Grand Gardener Greenhouse Base Kit (HG7130)
Polytex Ground Cover Kit 12x14 (HG1214)
ELGO Planters Drip Kit - 24 Dripper Set (ELCDK24)
Palram – Canopia 6x6 EcoGrow 2 Greenhouse Base Kit (HG7031)
Palram - Canopia Automatic Louver Opener Kit (HG1033)
Palram - Canopia Hybrid /Mythos Greenhouse Air Vent Kit - Silver (HG1013)
Polytex Galvanized WorkBench Kit (HG2000)
Handy Home 8' Phoenix Greenhouse Cedar Bench Kit (18151-1)
Palram - Canopia Roof Vent Kit - Hobby 2 / Grand 2 / Prestige 2 (HG1031)
Palram – Canopia Trellising Kit Pro (HG1024)
ELGO 2-in-1 Watering Kit - Misting Sprinklers & Dripper Set (ELMGS48)