While varying in capacity, all models share select features and benefits, including: Fully enclosed and insolated cabinetry to reduce noise and frost build-up Interlocking door seals for media and nitrogen retention Separators located at ground level for easy access and minimal freeze-up Low-speed, high-volume transfer augers for high flow of media and minimal freeze-up Stainless steel throw wheels for long life and reduced maintenance Clean exhaust system for safe nitrogen or CO 2 ventilation and reduced media loss Models include: 1.0-cu. ft. ...