• 3′ (91 cm) or 5 .25 ft (162 cm) single or double motorized vents with or without Manual override or just manual. Many covering options.
• Roll Up sidewalls – Manual or Mechanical. All types and qualities of
  Poly/Screen/Heavy film, Blackout, etc. For Plant, Poultry, Hog, and Animal
  uses.
• Inflatable Tube or Double Poly roll up vents.
• Motorized Shutters of all sizes.
• Guillotine/vertical now available
• 36 inch, 48 inch and 60 inch widths are standard.
• Can be installed as single or double height.
• With or without manual overdrive or just manual.
• Many covering options.
• Rollup side walls, manual or mechanical.
• All types and quality.
• Available with poly, insect screen, corrugated and twin wall polycarbonate.
• Also used for poultry and hog curtains.
• Rack and pinion style to fit most greenhouses manufactured.
• Inflatable tube or double poly vent as noted
• Standard automatic rollup vents
• Great for curtains, poly, insect screen.
• NEW VERTICAL LIFTING RACK AND PINION. Moves vents up and down vertically to offer maximum opening.

Sidewall vents with inside lifting

Side wall vents with outside lifting