96% CONSTANT TORQUE UPFLOW/HORIZONTAL FURNACE ARMSTRONG SKU A96UH1E030B12S Product Details | Specifications | Check Inventory Please select 23U39 96% UH 30BTUH 3T23U30 96% UH 45BTUH 3T23U31 96% UH 70BTUH 3T23U32 96% UH 90BTUH 4T23U33 96% UH 110BTUH 5T23U34 96% UH 135BTUH 5T Log in to view price