Seed Germinator by us come in both designs, single and dual chambers. The one with dual chamber has a couple of adjacent chambers in which each chamber has its individual humidity and temperature control system. Known for rugged and sturdy construction, the durability and quality of our offered Seed Germinator is nonpareil. Comes with installed cooling system, control system, heating system and proper air circulation system. This equipment also has humidification system that comprises of stainless steel tank and a heater for having controlled humidification.