This houses outside heavy duty and is equipped with a quick connector assembly, features upgraded panel materials for durability, is adaptable for various settings, provides excellent ventilation, and boasts high weather resistance. These functions collectively create an optimal environment for nurturing plants while ensuring the greenhouse shed stands up to diverse weather challenges. Product Dimensions: 12x13.5x9 FT, Heavy duty greenhouse upgrade 4 corner posts +2 middle posts+ reinforced expansion screws
4 eight-level adjustable side vents for air convection,2 wide swing doors (with door hooks),6mm Twin-wall translucent polycarbonate panels,99.9% Harmful UV rays block, UV Resistant: 99.9%, Transparent endurance board, High impact strength and Sound Insulation, Excellent light transmission and UV Protection, high weather resistance and Fire resistance, Wind Rating: 70 mph, Snow Load Capacity:30 psf