Buy 19.75x21x1 Air Filters Online

When we think about being comfortable in our homes or office, air filtration systems are one of the important factors that help in maintaining indoor air quality. And using quality air filters in the HVAC system means you can add a much-needed layer of protection against the most annoying particles.

Custom Filters Direct 19.75x21x1 air filters are the most economical choice when it comes to removing harmful pollutants from residential, commercial, and industrial spaces. Made with premium quality material, these air filters not only block airborne particles but also allows clean air to pass through.

Our 19.75x21x1 air filters feature a heavy-duty frame, making your filters more efficient and also preventing buckling, collapsing, and warping in high pressure. For people who have breathing issues, asthma, allergies, or live in an environment with a lot of smog, using Custom Filters Direct 19.75x21x1 air filters is the best way to trap the most troublesome particles while keeping the indoor airflow clean and healthy.

Though our air filters are designed to promote clean airflow, dirt keeps building up on the surface of filters after a few months. Clogged and dirty air filters require your HVAC system to work harder to push air through the system. This results in higher amounts of energy usage, which leads to higher energy bills. Changing your air filters can actually pay for itself by reducing utility bills. We recommend replacing your air filters every 60-90 days.

Choose the Right MERV Rating

MERV 8 Air Filters

These AC and furnace filters are the best way to improve indoor air quality for standard home settings. MERV 8 air filters efficiently trap 85% of particulates including pollen, dust, mites, bacteria, and more.

MERV 11 Air Filters

With MERV 11 air filters, you can maintain the superior indoor air quality in your residential and commercial environment. MERV 11 filters capture more than 85% of particulates ranging in size from 3.0 to 10.0 microns and also filter out 50% of contaminants 1.0-3.0 microns in size.

MERV 13 Air Filters

MERV 13 air filters are an ideal fit wherever a high level of air filtration is required. They remove more harmful particles than MERV 11 and MERV 8 filters. Our MERV 13 filters capture more than 90% of particulates ranging from 3.0 to 10.0 microns and 75% of contaminants as small as 0.3 microns.

19.75x21x1 Air Filters Delivery

Custom Filters Direct is the name you can count on when looking to buy top-quality 19.75x21x1 furnace and AC filters. You can subscribe to our auto-delivery service and get a pack of air filters delivered to your address at a regular interval. We can also use our one-time delivery to try our filters. All our air filters are delivered in bundles of 4, 6, 8, 12, 48, and more.

Custom Filters Direct offers special discounts on bulk orders of 19.75x21x1. So, place your order now!