Sleek Plastic Cabinet With Specially Angled Blades to Maximise Air Flow Back Flaps That Allow Fresh Air to Flow in Smoothly Long-Life, Powerful Copper Motors That Move the Air Rapidly Break-Resistant Plastic Body That Never Rusts or Requires to Be Painted Low power consumption RoHS Compliance Size: 6 Inches, 150 mm Blades: 6 Blades in 6 Inches RPM: 1350 Watt: 35W Max Air Delivery: 230 CMH Min. Warranty: 2 Years