*PLUMBERSSTOCK EXPERT* responded:
Thank you for your interest in the ADP DE32236E135B1605AP. According to the manufacturer, this evaporator coil has a piston size of 73. If you'd like to purchase this product, feel free to click "Add to Cart" and put your postal code and you're ready to go. As our valued customer, you can take advantage of our exciting deals and special discounts. Please sign up for our newsletter by entering your email address in the field provided below and get the latest updates on PlumbersStock's exclusive promotions. Have a fantastic day!