Benefits

Durability: Single piece high density polypropylene molded casing, more durable.
Corrosion Resistance: All parts made of UV treated chemical resistant polypropylene (PP).
Ease of Installation: Compact design & low carrying weight, round standard inlet/outlet, no need for transitions.
Competitivity: Lasts much longer than metal fans with coatings.
Versatility: Can be ordered in a wide variety of motors and configurations.