Rotatory Air Lock Feeder with Multiple Blades features adjustable tips for close rotor-to-housing clearances, peak valve efficiency and maximum life. The Air Lock Feeder comes with multiple blades to offer excellent performance. The Air Lock Feeder is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service. Rotatory Air Lock Feeder with Multiple Blades is strong and rigid in construction and requires minimal maintenance.