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Quality Furnace Filters in Canada

GeneralAire ReservePro 4521 16x25x3 Furnace AC Filter

GeneralAire ReservePro 4521 16x25x3 Furnace AC Filter

Regular price $35.75 per filter
Regular price Sale price $35.75
Sale Sold out
MERV Rating
Minimum order quantity: 3 filters

Free Shipping anywhere in Ontario for all orders. Learn more about our shipping policies.

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Furnace Filter Description

Introducing the MERV 11 GeneralAire ReservePro 4521 16x25x3 Expandable Furnace Filter, the superhero of air purification that fights off airborne villains with a single swoop! This filter is your trusty sidekick in the battle against pesky particles and allergens that dare to infiltrate your sacred space. Say goodbye to sneezes and sniffles, and hello to a home that's fresher than a daisy in a field of lavender.

But wait, there's more! Check out these three remarkable filter specifications:

  1. MERV 11 Efficiency: With a MERV 11 rating, this filter is a force to be reckoned with, capturing up to 95% of airborne contaminants down to 1 micron. No more playing nice with dust bunnies!

  2. Compact Powerhouse: Measuring 16x25x3 inches, this filter may be small in size, but it packs a punch! It maximizes surface area to trap unwanted invaders and keep your indoor air pristine.

  3. Expandable Design: Our filter expands effortlessly to fit perfectly into your furnace, leaving no room for sneaky particles to escape. Installation is a breeze, so you can get back to saving the world (or binge-watching your favorite shows).

But wait, there's one more secret weapon! Introducing our Autoship filter subscription service—because even superheroes need a sidekick. Sign up, and we'll ensure that a fresh, high-quality filter arrives at your doorstep right on schedule. No more forgetting or procrastinating on filter replacements. With our Autoship service, you'll always have the power to maintain top-notch air quality in your fortress of solitude.

So, arm yourself with the MERV 11 GeneralAire ReservePro 4521 16x25x3 Expandable Furnace Filter. Take a deep breath and let the GeneralAire ReservePro be your ultimate protector of clean, fresh air.

Furnace Filter Specifications

Brand GeneralAire
Efficiency Rating MERV 8
Change Frequency 3-6 months
Size (Nominal) 16" x 25" x 3"
Size (Actual) 15-5/8" x 24-3/16" x 2-15/16"
Air Filter Type Pleated Air Filter
Captured Particle Size 3.0–10.0 microns
SKU 4521
GTIN/UPC
Item Weight 3.27 kg
  • Free Shipping in Ontario

    We've got a fabulous deal for you: free shipping anywhere in Ontario on all orders. Say goodbye to shipping fees and hello to savings! Read our Shipping policy for all the details.

  • Hassle-Free Returns

    Simply ship your order back to us in the same condition as when you received it, and we'll provide a refund, minus the original shipping costs. You are responsible for the cost of return shipping. Read our refund and returns policy for all the details.

Make sure you've got all the facts BEFORE you place your order. From properly sizing your filter, understanding MERV ratings, how often you should be replacing your filters and other important HVAC information.

Furnace Filter Facts

From finding the right filter size, what MERV ratings are all about, and cheap no-name vs brand name filters, check out our blog for a wealth of filter facts to help you make the right choice on your replacement filters!

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