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18x18x1 (17.5 x 17.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

18x18x1 (17.5 x 17.5) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

The Accumulair Titanium 18x18x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

18x30x1 (17.5 x 29.5) Accumulair Platinum 1-Inch Filter (MERV 11) (6 Pack)

Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 13.5 H x 17.5 W x 0.75 D in | Wayfair FI14X18_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 17.5 H x 24.5 W x 0.75 D in | Wayfair FI18X25_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 11.5 H x 17.5 W x 0.75 D in | Wayfair FI12X18_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

14x18x1 (13.5 x 17.5) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

The Accumulair Titanium 14x18x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

18x25x1 (17.5 x 24.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

14x18x1 (13.5 x 17.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

18x20x1 (17.5 x 19.5) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

The Accumulair Titanium 18x20x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

18x30x1 (17.5 x 29.5) Accumulair Platinum 1-Inch Filter (APR 1550)

Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

18x20x1 (17.5 x 19.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

14x18x1 (13.5 x 17.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. Its unique mini-pleat design helps trap the maximum amount of airborne pollutants and increase the medias surface area. The high-quality construction features an... more

18x30x1 (17.5 x 29.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

18x30x1 (17.5 x 29.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

18x25x1 (17.5 x 24.5) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

The Accumulair Titanium 18x25x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

18x30x1 (17.5 x 29.5) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

The Accumulair Titanium 18x30x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

18x30x2 (17.5 x 29.5 x 1.75) Accumulair Gold 2-Inch Filter (MERV 8) (6 Pack)

Our Accumulair Gold 18x30x2 air filters for your HVAC air conditioner or furnace contains a unique synthetic media that provides high-efficiency filtration without comprising your airflow. Up to 20-times more efficient at capturing allergens than... more

14x18x1 (13.5 x 17.5) Accumulair Platinum 1-Inch Filter (APR 1550)

Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

18x24x1 (17.5 x 23.5) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 17.5 H x 35.5 W x 0.75 D in | Wayfair FI18X36_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 17.5 H x 27 W x 0.75 D in | Wayfair FI17.5X27A_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 17.5 H x 22 W in | Wayfair FI17.5X22A_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 17.5 H x 0.75 D in | Wayfair FI18X22_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 14 H x 17.5 W x 0.75 D in | Wayfair FI14X17.5A_4

The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

14X24x4 (13.75 X 23.75 X 3.75) Merv 13 Accumulair Grille Filter For Honeywell (2 Pack) in White | 17.5" H x 21" W x 4.5" D | Wayfair

Accumulair grill filter. 98% efficient filtration media capturing particles as small as 0.3 microns before they can collect on your coils. High-efficiency alternative to one-inch filters. Larger media capacity allows for greater dust-holding ability.... more