17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 11 Accumulair Replacement Filter For Rheem (2 Pack) 17.5 H x 4.5 D in White | Wayfair DPFU17.5X21X5M11_2

17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 11 Accumulair Replacement Filter For Rheem (2 Pack) 21.0 H x 24.0 W x 4.5 D in White | Wayfair

Traps, filters reduces major pollutants, such as dust and pollen, from the air passing through your heating and cooling systems. This is an aftermarket filter. Accumulair Size: 21" H x 24" W x 4.5" D | 17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 11... ... more

17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8 Accumulair Replacement Filter For Rheem (2 Pack) 21.0 H x 24.0 W x 4.5 D in White | Wayfair

Traps, filters reduces major pollutants, such as dust and pollen, from the air passing through your heating and cooling systems. This is an aftermarket filter. Accumulair Size: 21" H x 24" W x 4.5" D | 17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8... ... more

17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8 Accumulair Replacement Filter For Rheem (2 Pack) 17.5 H x 4.5 D in White | Wayfair DPFU17.5X21X5M8_2

Traps, filters reduces major pollutants, such as dust and pollen, from the air passing through your heating and cooling systems. This is an aftermarket filter. Accumulair Size: 17.5" H x 21" W x 4.5" D | 17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8... ... more

17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8 Accumulair Replacement Filter For Rheem (2 Pack) 17.5 H x 4.5 D in White | Wayfair DPFU17.5X21X5M8_2

Traps, filters reduces major pollutants, such as dust and pollen, from the air passing through your heating and cooling systems. This is an aftermarket filter. Accumulair Size: 17.5" H x 21" W x 4.5" D | 17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8... ... more

17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8 Accumulair Replacement Filter For Rheem (2 Pack) 21.0 H x 21.0 W x 4.5 D in White | Wayfair

Traps, filters reduces major pollutants, such as dust and pollen, from the air passing through your heating and cooling systems. This is an aftermarket filter. Accumulair Size: 21" H x 21" W x 4.5" D | 17.5X21x4.5 (17.25 X 20.75 X 4.38) Merv 8... ... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) 17.25 H in White | 17.25" H x 17.25" W x 0.75" D | Wayfair

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) 20.75 H x 0.75 D in White | 20.75" H x 21.75" W x 0.75" D | Wayfair

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

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair Replacement Filter For Honeywell (2 Pack) 21.5 H x 27.5 W x 5.0 D in White | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 21.5" H x 27.5" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair Replacement Filter For Honeywell (2 Pack) 16.0 H x 20.0 W x 5.0 D in White | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 16" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair Replacement Filter For Honeywell (2 Pack) 20.0 H x 20.0 W x 5.0 D in White | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 20" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D in White | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 12.5" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D in White | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 12.5" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 11... ... more

20X20x5 (19.75 X 20.75 X 4.88) Merv 11 Accumulair Replacement Filter For Trion Air Bear (2 Pack) 20.0 H x 21.0 W x 5.0 D | Wayfair DPFR20X20X5M11_2

Air Bear has started rounding the dimensions on their 5 filters. These filters still fit the same, they just no longer contain fractions in the description. Pre-applied gasketing on the assembled filter prevents air by-pass. 98% efficient filtration... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair Replacement Filter For Honeywell (2 Pack) 20.0 H x 20.0 W x 5.0 D | 20" H x 20" W x 5" D | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 20" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair... ... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) 17.25 H x 23.25 W in White | 17.25" H x 23.25" W x 0.75" D | Wayfair

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) 17.25 H x 29.25 W in White | 17.25" H x 29.25" W x 0.75" D | Wayfair

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) 17.25 H x 19.25 W in White | 17.25" H x 19.25" W x 0.75" D | Wayfair

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) 17.25 H x 26.0 W in White | 17.25" H x 26" W x 0.75" D | Wayfair

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

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair Replacement Filter For Honeywell (2 Pack) 16.0 H x 20.0 W x 5.0 D | 16" H x 20" W x 5" D | Wayfair

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 16" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D | Wayfair DPFW12.5X20X5_2

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 12.5" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D | Wayfair DPFW12.5X20X5_2

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 12.5" H x 20" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8 Accumulair Replacement Filter For Honeywell (2 Pack) 21.5 H x 27.5 W x 5.0 D | Wayfair DPFW21.5X27.5X5_2

98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 21.5" H x 27.5" W x 5" D | 12.5X20x5 (12.38 X 19.88 X 4.38) Merv 8... ... more

11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) 17.25 H in White | 17.25" H x 35.25" W x 0.75" D | Wayfair

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

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 13 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D in White | Wayfair

No assembly required...no combs needed...filter just slides right in! 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size:... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 13 Accumulair Replacement Filter For Honeywell (2 Pack) 20.0 H x 20.0 W x 5.0 D in White | Wayfair

No assembly required...no combs needed...filter just slides right in! 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 20"... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 13 Accumulair Replacement Filter For Honeywell (2 Pack) 21.5 H x 27.5 W x 5.0 D in White | Wayfair

No assembly required...no combs needed...filter just slides right in! 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size:... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 13 Accumulair Replacement Filter For Honeywell (2 Pack) 12.5 H x 20.0 W x 5.0 D in White | Wayfair

No assembly required...no combs needed...filter just slides right in! 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size:... ... more

12.5X20x5 (12.38 X 19.88 X 4.38) Merv 13 Accumulair Replacement Filter For Honeywell (2 Pack) 16.0 H x 20.0 W x 5.0 D in White | Wayfair

No assembly required...no combs needed...filter just slides right in! 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. This is an aftermarket filter. Accumulair Size: 16"... ... more

20X20x5 (19.75 X 20.75 X 4.88) Merv 13 Accumulair Replacement Filter For Trion Air Bear (2 Pack) 20.0 H x 20.0 W x 5.0 D | Wayfair DPFR20X20X5M13_2

No assembly required...no combs needed...filter just slides right in! Air Bear has started rounding the dimensions on their 5 filters. These filters still fit the same, they just no longer contain fractions in the description. Pre-applied gasketing on... ... more

20X20x5 (19.75 X 20.75 X 4.88) Merv 8 Accumulair Replacement Filter For Trion Air Bear (2 Pack) 20.0 H x 20.0 W x 5.0 D | Wayfair DPFR20X20X5_2

Air Bear has started rounding the dimensions on their 5 filters. These filters still fit the same, they just no longer contain fractions in the description. Pre-applied gasketing on the assembled filter prevents air by-pass. 98% efficient filtration... ... more

24.5X27x5 (24.2 X 26.2 X 5) Merv 11 Accumulair Replacement Filter For Trane (2 Pack) 20.1 H x 26.0 W x 5.0 D, in White | Wayfair DPFT21X26X5AM11_2

Aftermarket replacement filter. Up to twenty times more effective than ordinary fiberglass filters. High efficiency filter media collects small dust particles before they can collect on your coils. No assembly required...no combs needed...filter just... ... more

16X26x3 (15.75 X 26.13 X 3) Merv 11 Accumulair Replacement Filter For Lennox (2 Pack) 16.0 H x 26.0 W x 5.0 D in White | Wayfair DPFL16X26X5M11_2

Fits Lennox model number PCO-12U Lennox part number X1180 No assembly required...no combs needed...filter just slides right in! MERV 12 filters have the same airflow as the MERV 11!. This is an aftermarket filter. Accumulair Size: 16" H x 26" W x 5" D... ... more

16X21x5 (16.25 X 21 X 5) Merv 13 Accumulair Replacement Filter For Rodgers (2 Pack) 20.0 H x 21.0 W x 5.0 D in White | 20" H x 21" W x 5" D | Wayfair

It features 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. No assembly required...no combs needed...filter just slides right in! Package contains 2 filters. This is an... ... more

14X30x4 (13.75 X 29.75 X 3.75) Merv 11 Accumulair Grille Filter For Honeywell (2 Pack) 14.0 H x 14.0 W x 5.0 D | 14" H x 14" W x 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

15.75X27.63X3.5 (15.75 X 27.63 X 3.75) Merv 13 Accumulair Replacement Filter For Space-Gard & Aprilaire (2 Pack) 15.75 H x 27.63 W x 3.5 D | Wayfair

Pre-assembled filter for easy installation! High-efficiency filter media collects small dust particles before they can collect on your coils. Superior frame strength utilizing double wall construction and die cut fingers. This is an aftermarket filter.... ... more

15.75X27.63X3.5 (15.75 X 27.63 X 3.75) Merv 13 Accumulair Replacement Filter For Space-Gard & Aprilaire (2 Pack) 20.0 H x 25.25 W x 3.5 D | Wayfair

Pre-assembled filter for easy installation! High-efficiency filter media collects small dust particles before they can collect on your coils. Superior frame strength utilizing double wall construction and die cut fingers. This is an aftermarket filter.... ... more

24.5X27x5 (24.2 X 26.2 X 5) Merv 11 Accumulair Replacement Filter For Trane (2 Pack) 14.2 H x 27.0 W x 5.0 D, in White | Wayfair

Aftermarket replacement filter. Up to twenty times more effective than ordinary fiberglass filters. High efficiency filter media collects small dust particles before they can collect on your coils. No assembly required...no combs needed...filter just... ... more