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Quality HVAC Filters for Residential & Commercial, All Sizes, Free Shipping!
Quality HVAC Filters, All Sizes, Free Shipping!

Return Air Grille Filters

Return air grille filters can be hard to find and are oddly shaped. Lucky for you, we make replacement easy. On most "grille” cut filters, the larger dimension will be listed first. However, if you were to take the actual measurement, it's likely 7/8" smaller than what is printed on the filter. Some measure a bit smaller—5/8" smaller to be exact. Many models of return air grille filters have been discontinued by manufacturers over the years, making them harder to find. Luckily, we have many return air grille filters. Our grille filters are the recommended replacement made by AAF Flanders. So check out our impressive selection of return air grille filters today—you won’t be disappointed. 

Filters

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Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99

24x20x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

24 x 20 x 1 grille replacement pleated filters that have an exact size of 23 1/8 x 19 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99
Sold out
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99

23x20x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

23 x 20 x 1 grille replacement pleated filters that have an exact size of 22 1/8 x 19 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99
Sold out
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99

24x18x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

24 x 18 x 1 grille replacement pleated filters that have an exact size of 23 1/8 x 17 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99
Sold out
Original price $ 215.99 - Original price $ 215.99
Original price
$ 215.99
$ 215.99 - $ 215.99
Current price $ 215.99

24x12x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

24 x 12 x 1 grille replacement pleated filters that have an exact size of 23 1/8 x 11 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 215.99 - Original price $ 215.99
Original price
$ 215.99
$ 215.99 - $ 215.99
Current price $ 215.99
Sold out
Original price $ 211.99 - Original price $ 211.99
Original price
$ 211.99
$ 211.99 - $ 211.99
Current price $ 211.99

20x20x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

20 x 20 x 1 grille replacement pleated filters that have an exact size of 19 1/8 x 19 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 211.99 - Original price $ 211.99
Original price
$ 211.99
$ 211.99 - $ 211.99
Current price $ 211.99
Sold out
Original price $ 235.99 - Original price $ 235.99
Original price
$ 235.99
$ 235.99 - $ 235.99
Current price $ 235.99

30x18x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

30 x 18 x 1 grille replacement pleated filters that have an exact size of 29 1/8 x 17 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 235.99 - Original price $ 235.99
Original price
$ 235.99
$ 235.99 - $ 235.99
Current price $ 235.99
Sold out
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99

12x12x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

12 x 12 x 1 grille replacement pleated filters that have an exact size of 11 1/8 x 11 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99
Sold out
Original price $ 247.99 - Original price $ 247.99
Original price
$ 247.99
$ 247.99 - $ 247.99
Current price $ 247.99

30x20x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

30 x 20 x 1 grille replacement pleated filters that have an exact size of 29 1/8 x 19 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 247.99 - Original price $ 247.99
Original price
$ 247.99
$ 247.99 - $ 247.99
Current price $ 247.99
Sold out
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99

22x22x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

22 x 22 x 1 grille replacement pleated filters that have an exact size of 21 1/8 x 21 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99
Sold out
Original price $ 247.99 - Original price $ 247.99
Original price
$ 247.99
$ 247.99 - $ 247.99
Current price $ 247.99

30x24x1 Grille Cut MERV 8 Filters (12 pack)

AAF Flanders

30 x 24 x 1 grille replacement pleated filters that have an exact size of 29 1/8 x 23 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 247.99 - Original price $ 247.99
Original price
$ 247.99
$ 247.99 - $ 247.99
Current price $ 247.99
Sold out
Original price $ 201.99 - Original price $ 201.99
Original price
$ 201.99
$ 201.99 - $ 201.99
Current price $ 201.99

18x18x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

18 x 18 x 1 grille replacement pleated filters that have an exact size of 17 1/8 x 17 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 201.99 - Original price $ 201.99
Original price
$ 201.99
$ 201.99 - $ 201.99
Current price $ 201.99
Sold out
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99

12x8x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

12 x 8 x 1 grille replacement pleated filters that have an exact size of 11 1/8 x 7 3/8 x 1. Finding grille cut filters can be a challenging task s...

View full details
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99
Sold out
Original price $ 215.99 - Original price $ 215.99
Original price
$ 215.99
$ 215.99 - $ 215.99
Current price $ 215.99

24x16x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

24 x 16 x 1 grille replacement pleated filters that have an exact size of 23 1/8 x 15 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 215.99 - Original price $ 215.99
Original price
$ 215.99
$ 215.99 - $ 215.99
Current price $ 215.99
Sold out
Original price $ 222.99 - Original price $ 222.99
Original price
$ 222.99
$ 222.99 - $ 222.99
Current price $ 222.99

24x24x1 Grille Cut MERV 8 Filters (12 pack)

AAF Flanders

24 x 24 x 1 grille replacement pleated filters that have an exact size of 23 1/8 x 23 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 222.99 - Original price $ 222.99
Original price
$ 222.99
$ 222.99 - $ 222.99
Current price $ 222.99
Sold out
Original price $ 369.99 - Original price $ 369.99
Original price
$ 369.99
$ 369.99 - $ 369.99
Current price $ 369.99

36x18x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

36 x 18 x 1 grille replacement pleated filters that have an exact size of 35 1/8 x 17 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 369.99 - Original price $ 369.99
Original price
$ 369.99
$ 369.99 - $ 369.99
Current price $ 369.99
Sold out
Original price $ 201.99 - Original price $ 201.99
Original price
$ 201.99
$ 201.99 - $ 201.99
Current price $ 201.99

20x18x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

20 x 18 x 1 grille replacement pleated filters that have an exact size of 19 1/8 x 17 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 201.99 - Original price $ 201.99
Original price
$ 201.99
$ 201.99 - $ 201.99
Current price $ 201.99
Sold out
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99

16x12x1 Grille Cut Pleated MERV 8 Filters (12 pack)

AAF Flanders

16 x 12 x 1 grille replacement pleated filters that have an exact size of 15 1/8 x 11 3/8 x 1. Finding grille cut filters can be a challenging task...

View full details
Original price $ 193.99 - Original price $ 193.99
Original price
$ 193.99
$ 193.99 - $ 193.99
Current price $ 193.99
Sold out

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