BUHLER AIRLOCK 10" x 10" INLET/OUTLET W/ 1HP MOTOR 1730RPM 208-230/460 VOLTS

Kice Airlock Model VD 12 x 8 x 8 Jet-Under Blow thru 1/2HP Gearmotor

Premier Pneumatics Airlock 11.5″ Diameter Round to Round with 2HP Drive and Rubbe...

Mac Airlock 13″ x  12″ drop through

Kice Model VL 18 x 10, 10″ Round Drop Thru, 1HP Ratio :29