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Healthy Homes Use PUREFLOW® Furnace Air Filters

PUREFLOW® Home Air Filters are engineered with four powerful stages of filtration utilizing activated charcoal and antimicrobial technology. The result is cleaner, healthier air, keeping your home comfortable and HVAC system operating efficiently.

PUREFLOW, Home Furnace Air Filter 16x25x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$42.85
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 20x20x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$44.86
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 20x25x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$49.95
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 16x20x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$37.56
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 20x25x4, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 1

$87.85
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 14x20x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$37.36
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 20x25x5, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 1

$88.87
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 14x30x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$47.85
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 14x14x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$34.36
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....
out of stock
PUREFLOW, Home Furnace Air Filter 12x24x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2 PUREFLOW, Home Furnace Air Filter 12x24x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2 Quick View

PUREFLOW, Home Furnace Air Filter 12x24x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$37.51
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 20x20x4, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 1

$64.77
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

PUREFLOW, Home Furnace Air Filter 12x12x1, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack of 2

$32.82
PUREFLOW® by Premium Guard has four filtration stages: 1st Stage: High-efficiency layer with a MERV 13 rating, capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergies don't stand a chance....

Optimize Health and Comfort with PUREFLOW® Home Air Filters

PUREFLOW® Home Air Filters are crucial for protecting HVAC components and ensuring respiratory health. It prevents dust and dirt from entering the ductwork and damaging key parts like the heat exchanger, condensing unit, and evaporator coils. Neglecting to replace the filter can lead to inconsistent HVAC performance, mold and mildew growth on the filter, and poor indoor air quality, which may cause illness and discomfort.

Advanced Filtration for Optimal Home Air Quality

PUREFLOW® OFFERS A SUPERIOR AIR FILTRATION SOLUTION:

High-efficiency MERV-13 layer captures over 90% of contaminants down to 3 microns, effectively trapping pollen, dust, and common allergens.

Activated carbon layer combined with baking soda neutralizes unpleasant odors.

Antimicrobial technology reduces biofouling by suppressing the growth of algae, mold, mildew, fungi, and bacteria on the filter.

THIS COMPREHENSIVE FILTRATION SYSTEM PROVIDES NUMEROUS BENEFITS:

Superior indoor air quality: PUREFLOW® filters can reduce indoor air pollution, which is often 2-5 times higher than outdoor levels.

Allergy symptom relief: By trapping up to 99% of dust, pollen, and pet dander, these filters can significantly reduce allergy symptoms and triggers.

Odor elimination: The activated carbon and sodium bicarbonate layers effectively neutralize household odors, including those from pets and cooking.

HVAC system protection: By preventing debris accumulation on sensitive components, PUREFLOW® filters help extend the lifespan of your HVAC system and improve its efficiency.

By upgrading to PUREFLOW® Home Air Filters, you're not just replacing a standard air conditioner filter; you're investing in cleaner air, improved health, and a more efficient home environment. Regular filter replacement (every 1-3 months for standard filters, or 6-9 months for high-quality filters like PUREFLOW®) ensures optimal performance and continued protection against indoor air pollution.

Home Filters - Frequently Asked Questions

  • What are the benefits of using a furnace air filter?

    Furnace air filters help improve indoor air quality by capturing dust, allergens, and airborne particles before they circulate through your home. They also protect HVAC components from buildup, support consistent airflow, and help the system operate efficiently.

  • How do I choose the right MERV rating for my home furnace air filter?

    Choosing the right MERV rating depends on your indoor air quality needs and HVAC system design. Most residential systems perform best with filters in the MERV 8–13 range, which balance filtration efficiency and airflow.

  • How often should I change my furnace air filter?

    Most furnace air filters should be replaced every 1–3 months. Homes with pets, allergy concerns, or heavy system use may benefit from more frequent replacement.

  • Do I need to change my furnace filter if it doesn’t look dirty?

    Yes. Filters can become clogged with fine particles that are not always visible. Replacing the filter on a regular schedule helps maintain airflow and system efficiency.

  • What size furnace air filter do I need for my HVAC system?

    Your furnace air filter must match the exact size specified for your system. Using the correct dimensions ensures proper fit, prevents air bypass, and supports effective filtration.

  • Where is my furnace air filter typically located?

    Furnace air filters are commonly found inside the furnace cabinet, near the return air duct, or behind a return air grille in a wall or ceiling.

  • What happens if a furnace air filter is installed backwards?

    Installing a filter backwards can reduce filtration effectiveness and restrict airflow. Always install the filter with the airflow arrow pointing toward the furnace.

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Add a Cabin Air Freshener!

Choose from a refreshing selection of six scents

Cabin Filter Air Freshener, New Car Cabin Filter Air Freshener, New Car

$17.52 $7.95

Cabin Filter Air Freshener, New Car

$7.95
It’ll always feel like you’re driving a new car with PUREFLOW®: Hints of luxurious leather mingle with fresh scent notes to ensure you never forget the smell of that first ride. Provides a balanced flow of fresh air infused with natural scent....

Cabin Filter Air Freshener, Lavender Cabin Filter Air Freshener, Lavender

$17.52 $7.95

Cabin Filter Air Freshener, Lavender

$7.95
Crafted using freshly cut lavender and warm patchouli blended with cedarwood that transport your senses to the relaxing fields of Provence in PUREFLOW’s Lavender. Provides a balanced flow of fresh air infused with natural scent. Made using unique composites from recycled material...

Cabin Filter Air Freshener, Black Rock Cabin Filter Air Freshener, Black Rock

$17.52 $7.95

Cabin Filter Air Freshener, Black Rock

$7.95
Energize your senses with bright lemon zest and cool mint that are amplified by base notes of spicy Tonka bean in PUREFLOW’s Black Rock. Provides a balanced flow of fresh air infused with natural scent. Made using unique composites from recycled material...
out of stock
Cabin Filter Air Freshener, Vanilla Orchid Cabin Filter Air Freshener, Vanilla Orchid Quick View

Cabin Filter Air Freshener, Vanilla Orchid Cabin Filter Air Freshener, Vanilla Orchid

$17.52 $7.95

Cabin Filter Air Freshener, Vanilla Orchid

$7.95
Warm notes of amber and decadent vanilla blend together with earthy white musk and sandalwood to reveal their rich aroma in PUREFLOW’s Vanilla Orchid cabin filter air freshener. Provides a balanced flow of fresh air infused with natural scent. Made using unique composites...

Cabin Filter Air Freshener, Fresh Linen Cabin Filter Air Freshener, Fresh Linen

$17.52 $7.95

Cabin Filter Air Freshener, Fresh Linen

$7.95
Gentle, fresh, and a nostalgic reminder of home: freshly folded laundry, a soft breeze, and fresh jasmine in the garden in PUREFLOW’s Fresh Linen Provides a balanced flow of fresh air infused with natural scent. Made using unique composites from recycled material...

Cabin Filter Air Freshener, Tropical Peach Cabin Filter Air Freshener, Tropical Peach

$17.52 $7.95

Cabin Filter Air Freshener, Tropical Peach

$7.95
Escape to an island far away with bright pineapple, gardenia petals, and creamy coconut in PUREFLOW’s Tropical Peach. Provides a balanced flow of fresh air infused with natural scent. Made using unique composites from recycled material and natural ingredients. Patented design allows...

It's time to change your home filter!

Keep your car fresh and clean with a new cabin air filter

Our innovative filter technology ensures pure and fresh air circulation, so you can breathe easy on your daily commutes.

Fresh Scents, On Repeat. Subscribe & Save Today
Fresh Scents, On Repeat. Subscribe & Save Today