+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, Coquitlam
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
Ensure your heating and cooling system operates at peak efficiency with this high-quality replacement air filter set. These MERV 4 filters are specifically designed for air handler units, providing essential protection for your HVAC equipment by capturing large airborne particles such as dust, lint, and carpet fibers. Maintaining clean filters is a critical part of home maintenance, as it helps prevent debris buildup on sensitive internal components, improves airflow, and can help lower energy costs. This convenient bulk box of 12 ensures you have a fresh supply of filters on hand for regular seasonal changes, keeping your indoor air circulating cleanly throughout the year. Designed with a sturdy frame for a secure fit, these 1-inch filters offer a balance of effective filtration and low airflow resistance, making them ideal for residential and light commercial HVAC applications.
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–5PM PT · Or email parts@bcfurnace.com
Compatible parts and related replacements
The 345-142 is a replacement part. Match your furnace model number on our site to confirm the fit. 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 (345-142) 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 345-142 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 345-142 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?
