12255 Dehydrator Dry air delivery: 100 ft3/hr Dry air dew point -40c 12269 Dehydrator Dry air delivery: 185 ft3/hr Dry air dew point -40c 12377 Dehydrator Dry air delivery: 30 ft3/hr Dry air dew point -35c 12437H Dehydrator Dry air delivery: 35 ft3/hr Dry air dew point -35c Output pressure 3 – 15 psi 12440 Dehydrator Dry air delivery: 170 ft3/hr Dry air dew point -35c 12450 Dehydrator Dry air delivery: 35 ft3/hr Dry air dew point -35c