In this system there is one path of circulating hot air between the inner chamber and insulation. forced air moved by the motorised blower is called perfect system. it results in minimum temp. variation at any point in working space. Also available in 50 KG, 100 KG and 200 KG. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.