CA
12.5" X 20" X 5/16" HONEYWELL POST FILTER Air Filter and Cleaners
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Not sure this fits your furnace? Call us — we're happy to help
Enhance your indoor environment with this high-performance Honeywell post filter, designed for whole-house air cleaners and purification systems. This replacement filter serves as a critical secondary stage in your home's air filtration process, capturing fine dust, pollen, and microscopic particles that may pass through the primary cleaning cell. By installing a fresh post filter, you ensure maximum efficiency for your HVAC system while significantly reducing airborne allergens and pollutants. Its slim design allows for a perfect fit in compatible residential air cleaners, helping to maintain clean air flow and protect your family from indoor irritants. Ideal for routine maintenance, this durable filter is a key component for anyone looking to optimize their home's air quality and HVAC longevity.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com
Compatible parts and related replacements
Yes, the 345-106 is a genuine OEM, or a factory replacement manufacturer approved part. We source all Air Filter and Cleaners from authorized distributors to ensure exact-fit compatibility. This Air Filter and Cleaner is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
The easiest way is to match the part number (345-106) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible Air Filter and Cleaners for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most Air Filter and Cleaners including the 345-106 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Air Filter and Cleaners orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 345-106 is in stock before visiting.
Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.
Looking for more Air Filter and Cleaners?
