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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Single rolls
Redwood frame (workshop)
T-shaped" design is 12'10" deep x 15'6' long/wide x 9' high in center/6'7" shoulders
Ideal for flourishing gardens
Paraffin oil in piston expands starting around 72°F
Exaco RIGA Automatic Window Opener Cold Frames Single rollsExaco RIGA Automatic Window Opener The Riga automatic window opener is a versatile solution for your greenhouse. Driven by paraffin oil, it opens at around 72F, providing natural ventilation without the need for electrical power. Easily detachable in unfavorable weather, it's compatible with all Riga greenhouse roof vents. Experience efficient and automatic ventilation for your plants! Features Anodized aluminum Opens and closes for safe environment
