The Hurricane® Classic Oscillating Stand Fans have great output with 1350 RMP's on high and 1236 CFM on high. These fans are 16 inch in diameter and have 3-speed controls and a powder coated steel grill. Each blade is made of a chemical resistant polypropylene. The fans have a tilt adjustment with 90 degrees oscillation or can they can be locked in non-oscillating position. Fan height is adjustable from 41 in to 55 in. Easy to assemble design, great for any of your home, garden or shop air movement needs.