CA
20 x 28 x 1, 345-103
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
Improve your indoor air quality and protect your HVAC system with this high-efficiency 20 x 28 x 1 air filter. Engineered to capture a wide range of airborne particles such as dust, pollen, pet dander, and lint, this replacement filter ensures cleaner air for your household or office. Beyond filtration, it plays a critical role in maintaining optimal airflow, which prevents strain on your furnace or air conditioning unit, leading to better energy efficiency and a longer equipment lifespan. This standard 1-inch thick filter is a vital component for any routine maintenance schedule, helping to keep your heating and cooling coils clean and your ventilation system running smoothly.
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 345-103 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 (345-103) 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 345-103 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 345-103 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.
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