MICRO 224, 318 & 324 MICRO 224, 318 & 324 – Farm & Lab Duty, Small Lot Cleaner Features: 24 1/2″ × 22 1/4″ Scalper Screen Micro 224 & 324 18″ × 22 1/4″ Scalper Screen Micro 318 24 1/2″ × 22 1/4″ Sifting Screen 18″ × 22 1/4″ Sifting Screen Micro 318 Counter Screen Flow Pattern Micro 318 & 324 can be arranged in either A scalp/sift/sift or scalp/grade/sift flow Air System At Discharge With Adjustable Slide Control Ball Tray Screen Cleaning System Feed Hopper With Adjustable Slide Control Heavy Duty, Rugged Construction Optional Air Settling Chamber Optional Feed Hopper Agitator Optional Variable Speed Eccentric Shake