The Trane Ductulator is a specialized tool designed for training purposes in the HVAC and refrigeration industry. With the Trane brand backing it, this ductulator guarantees quality and precision in duct work. The International Training Institute Ductulator is a versatile tool that allows for hands-on learning and practice in the field, making it an essential part of the education and training process for HVAC professionals. One is a

Trane 1996 the other is a air duct calculator from the international training Institute 1998. Both are in good use condition by both of them for one money.