J&D Manufacturing's Aluminum Intake Shutters are constructed with a heavy-duty aluminum extrusion frame and strong welded corners, all at an affordable cost. J&D aluminum shutters are by far the best-valued shutter available on the market today. Intake shutters are designed to bring fresh air into your greenhouse and may also be used for free-air exhaust.
This product can be combined with a motor kit to open with power.
Features
- Available in nearly any size
- High-efficiency shutter with tie bar to eliminate shutter flapping
- Nylon bearings and solid shafts for smooth performance
- Interlocking louvers for maximum weather seal