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 Read more A770-A Angled Combustion Flue Probe with Temperature Add to cart A741BT Bluetooth Printer for TPI Smart Devices, DC710 & DC710 Kits $149.95 Add to cart A766 AC Charger $29.95 Add to cart A765 Protective Rubber Boot $19.95