These units are currently in operation at M&M Meat Shops and have been regularly maintained. 1-Hussman Model DDS-4 with LED lighting. 2-Kysor Warren Model D6S3-4. 1 unit with LED lighting. All units have night curtains to save energy. $950.00 each, 2 units for $1650.00 or all 3 units for $2250.00 Will consider trades.