A796-F Replacement Particle Filters (10) A796-F Replacement particle Filter. 10 pack. SKU: A796-F Category: Combustion Accessories Tags: filter, flue gas analyser Description Description A796-F Replacement particle Filter. 10 pack. Related products Add to cart A768 Carrying Case $29.95 Out of Stock Read more A789 Replacement Smoke Test Paper and Smoke Scale $21.95 Read more A770-A Angled Combustion Flue Probe with Temperature Add to cart A770 Combustion Flue Probe with Temperature $109.95