Aluminum Twinwall Extrusions Type:8' H Channel Includes all necessary accessories for

Includes all necessary accessories for all core functions

Each has an LED indicator to show whether the outlet is On or Off

20'x95' Semi-Gable greenhouse frames have taller sidewalls that reach a higher peak than the Quonset greenhouse frame type

Enabling complete control of your growing environment with timed on/off switching

Aluminum Twinwall Extrusions Type:8' H Channel Includes all necessary accessories forAluminum End bow lock extrusion, 12' long, designed to cover the top edge of polycarbonate on end walls, this aluminum piece bends over a max 2' radius. "H" Channel (HC), aluminum extrusion, 8' or 12' long, used forjoining 2 pieces of 8mm polycarbonate, sold by each (fullcarton is 20 pieces)