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.
heavy duty clear woven greenhouse membrane
greenhouse film fastening system
passive ventilation system (roll up sides)
wind retention system
steel framed end wall package with barn style sliding door