In Canada, ESBE Scientific sells the Thermobrite unit which is ideal for IHC as a humidity chamber. You may contact our main phone number at 1-800-268-3477 or your local ESBE Scientific representative. Carla Michelini, MLT, CCPE Product Manager ESBE Scientific 80 McPherson St Markham, Ontario L3R 3V6 1-800-268-3477 ext 309 www.esbe.com