This 5-unit automated control has individual adjustable temperature differential and set points, yet has a manual override to open and ...

The JDR3-5 is an economical way to expand your 3-tier curtain. Take control of your dairy’s ventilation.

J&D's Light Trap Combination System is a light trap unlike anything else. Available in 36" and 55" models.

This new 20" fan by J&D Manufacturing is the ultimate choice for corrosion resistance.

Bring the cool to the pool, balcony, greenhouse, horse barn, or work area.

The TPI Aeron Wall Inlet has high insulation and is perfect for tricky winter ventilation.

TPI Large Wall Inlets are lightweight, easy to install, with a high insulation value.

The highest quality of polyurethane wall inlets on the market. TPI Wall Inlets are lightweight, easy to install with a high insulation ...

72" Mega Direct Drive has the best performance on the market today! 55,505 CFM @0.10” SP. It is variable speed ready, and the driver ...

The highest quality of polyurethane ceiling inlets on the market. TPI Ceiling Inlets are lightweight, easy to install with a high insul...

The JD-Drive is a permanent magnet, direct-drive, electronically commutated motor with internal onboard driver.

Increase the cooling power of your basket fans with HPF crosses and ring kits.