... Easy installatio JQT-750-C Air Blower Price Ring Blower Side channel vacuum pumpSide channel vacuum pump ... features: 1. JQT Ring Blowers: Oil free 2. JQT Ring Blowers: Dual-usage 3. JQT Ring Blowers: Owns low noise ... water treatment aeration, screen printing, photoengraving machine, injection molding machine automatic material dryer, liquid filling machine, welding equipment, film machinery, paper ...