RIGA XL 9 Professional Greenhouse 29'6" L x 14' W x 9'10" H
413 sq.ft. 
16 mm triple-wall polycarbonate panels
Six Roof Window(s): 37.5" w x 39.5" h; with Automatic Window Openers
Two heavy-duty Dutch Barn Doors (front and back) with keyed lock: 37.5" wide x 74" high.
Extremely heavy-duty construction
First-class insulation: R or K-value 3.0
Warranty: Polycarbonate: 10 years; Frame: 15 years
 
Optional Accessories (sold separately):
Professional Assembly Available! Contact us for more information.
6" High Foundation Frame. Highly recommended. When laid in a trench, the foundation frame anchors the bottom of the greenhouse without concrete work.
Window Wind Restraints to restrict windows from swinging open.
Intake Shutter/Louver
Exhaust Fan
Top shelf: Shelving with strong twin-wall polycarbonate inserts.
Counter height shelf: Shelving with strong twin-wall polycarbonate inserts.
Heavy-duty seed tray to make starting seeds and transplanting easier.
Additional Roof Windows with Automatic Openers: recommended in areas where temperatures will reach over 95º F when still using the greenhouse.
Adjustable Metal Hooks: Set of 5 metal hooks. These are great for hanging lights, fans, and flower baskets (heavier items)
Plastic hangers: Set of 10 hangers. These snap into the aluminum frame's grooves to attach twine/rope and promote the growth of tall plants like tomatoes and beans.