Most Popular Filter Sizes
MERV 11: High Efficiency -- State of the art filtration capabilities remove allergens, the perfect choice for Canadian homeowners to elevate air quality. Brand name reliability at a low cost: pay only $23.67 per furnace filter! Most popular option for allergy sufferers at the most affordable price.
- MERV 11
- Lifespan: 5 months
- Exact size: 17 3/8x 23 3/8 x 3 3/4 inches
- Sold in 6-pack ($23.67/each)
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The 18x24x4 Camfil AP-11 delivers optimal air quality with cutting edge electrostatic filtration that lasts for five months at a time. At the highest efficiency with lowest cost of ownership, AP-11 is the superior choice for Canadian families, especially those who have allergies and asthma. Save cash and time with a reliable product manufactured by the trusted name in high-quality pleated media filter
Perfect compatibility with any system you have. Camfil AP-11 will fit ANY BRAND of furnace or A/C! Just make sure you have the correct size and you don’t need to use those high-priced brand name filters. Why pay more when you can get better all-around efficiency and reliability with us?
Please note: 18x24x4 inches is a rounded measurement. It’s important to measure your actual filter before ordering and then compare it with our exact measurements. Got questions? We can help.
Order today by 11 a.m. and get your order the next business day! Some restrictions apply. And remember, shipping is always FREE for Canadian shoppers on all orders sent via Canada Post.
Secure, fast, and easy: place your order online with us 24/7. We take Visa, MasterCard and PayPal for your convenience. Prefer to call us instead? We can do that too. Give us a call anytime between 9 a.m. and 4 p.m. Eastern time at (888) 315-0105.
- Exact Size: 17 3/8x 23 3/8 x 3 3/4 inches (44,1 x 59,4 x 9.5 cm)
- Part number: 404435009
- Model: AP-11
- Material: Electrostatic synthetic fibers
- Color: White
- Made in USA
Available in three additional ranges of filtration quality:
- MERV 8: Economical
- MERV 8: Extra long life span
- MERV 13: Super high efficiency
Covered for ONE YEAR under the manufacturer’s warranty.
Feel free to return your items within 10 business days of receiving the order. We can only accept items returned in perfect condition, and buyer is responsible for shipping and handling costs.
NOTE: NOTE: Product photos are for illustration purposes only and don’t necessarily reflect the actual product you will receive.