The SKU for the 100mm Non-Balanced Horizontal Flue Terminal is 33-54-106-FLUE25 (https://www.reznor.co.uk/product/100mm-non-balanced-horizontal-terminal/). Please visit the product page and view the product images and selection before purchase.
What is the part number for the 100mm Non-Balanced Horizontal Flue Terminal?
Information about Reznor's range of flue