Product_description: ['Features. Fully Assembled easy installation. Choose Direct driven 16 and 20 models or Belt driven 24 models. Totally enclosed fan cooled explosion proof motors with builtin automatic reset overload protection. Rugged safety guard standard on direct drive and optional on belt drive models on request. Variable Speed models come fully equipped with solid state variable speed control. All motors are totally enclosed with builtin automatic reset overload protection. Spark resistant polypropylene blade has a rugged cast aluminum hub. Sturdy Industrial grade steel frame all welded construction with corrosion resistant powder coated finish for extended operating life. Fan Explosion Proof 033 HPSpecifications. Size 16 in'] (Page 1)