The 20' Passive Ventilation Kit is complete and ready to go. Kit includes a 1 7/8" x 2 3/8" frame with your choice of truss spacing. Passive ventilation system includes roll-up sides with handles to cool the greenhouse. Woven membranes with a 4 year warranty insures protection from the elements. Includes all necessary accessories for all core functions. Lumber and cement to be purchased separately.
Key Features:
heavy duty woven greenhouse membranes clear & black
greenhouse film fastening system
passive ventilation system (roll up sides)
wind retention system
steel framed end wall package with barn style sliding door