Most Popular Filter Sizes
GET EXTRA $10 OFF TODAY WHEN YOU SIGN UP FOR NEWSLETTERS.
Buy in bulk and save when you purchase a 6-pack!
This 20x20x4 filter measures: 19 3/8 x 19 3/8 x 3 3/4 inches. so measure before you buy. You can replace any brand of filter with this item. FREE SHIPPING to Canada, including TORONTO, MONTREAL, CALGARY, EDMONTON AND VANCOUVER! Rest assured, we carry only the best, longest-lasting filters from the best brands like Camfil.
Side-by-Side comparison. Helping you select the best option:
"Mechanical filters are your premium choice to effectively capture dirt and maintain their efficiency over the life of the product, while electrostatic filters discharge quickly and allow dust to penetrate, leading to a loss of efficiency over time.”
MERV 8 - High Capacity 20x20x4 Air Filter with 5-STAR Energy Cost Index. Premium choice for air filters, with a life spend of up to 6 months – double that of other filters! 5-STAR Energy Cost Index, with higher dust holding capacity and engineered for low initial resistance plus low maintained resistance. Our top quality, unique MERV 8 mechanical air filter, backed by trusted resource in air filters, Camfil. Innovative technology! This MERV 8 is mechanical rather than electrostatic. You get 6 filters in each box, a hassle-free way to save on filters, which are made right here in North America.
In Stock— Just pay by Master Card, Visa or Paypal and your item will be on its way. Take advantage of this quick and easy deal! We use Canada Post.
MERV 13 - High Efficiency, High-Capacity. We recommend replacing this filter after 3-4 months.
MERV 11 – High Efficiency 20x20x4 Air Filter is our medium range option. MERV 11 electrostatic filter, offered by top brand Camfil, gets rid of those pesky particles in the air. We recommend changing this filter every 3-4 months for the best results. Energy Cost Index rating of 5 stars! Each box has 6 filters. Start saving today and place this filter in your cart for easy and FREE shipping. Ask your neighbors if they want to go in on a box with you. IN-STOCK, with shipment occurring the same day throughout Canada. Always fast and FREE! Don’t wait, order today via Master Card, Visa or Paypal!
MERV 8 – Standard Capacity 20x20x4 Air Filter – an economical choice for your family, with a life spend of 3 months. Offering affordable pleated MERV 8 mechanical air filters that easily remove air-borne contaminants, featuring an Energy Cost Index rating of 2 stars. This filter is IN STOCK -- order today online and save yourself unnecessary trips to the store. You get a box of six filters when you buy from our convenient Canadian store. Share a box with your neighbor to save even more. Only high-quality products! Easy ordering process via Master Card, Visa or Paypal.
IMPORTANT: When returning an item, buyers are responsible for the shipping and handling fees associated with the return.
NOTE: When an item isn’t in stock, we’ll work hard to ship the item you need within 9 business days. We’ll even email you when it’s due to be shipped out. Product photos are for illustrative purposes only -- they do not necessarily represent the actual product you may receive in the mail.