Thermo Scientific Laboratory Temperature Control Products STANDARD Series Heated Immersion Circulators SC100 SC150 SC150L ARCTIC Series Refrigerated/Heated Bath Circulators A5B A28F A24B A10B A40 A25 A25B A10 A28 SAHARA Series Heated Bath Circulators S3 S5T S6P S7 S12T S14P S13 S19T S21P S15 S21 S30