Size

Glasfloss ZL 14x18x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 13-1/2 x 17-1/2 x 7/8

Actual Size: 13-1/2 x 17-1/2 x 7/8 | Nominal Size: 14 x 18 x 1 ? Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long...

Glasfloss ZL 13x21.5x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 12-7/8 x 21-1/2 x 7/8

Actual Size: 12-7/8 x 21-1/2 x 7/8 | Nominal Size: 13 x 21.5 x 1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long...

Glasfloss ZL 12x16x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 12-1/2 x 15-1/2 x 7/8

Actual Size: 12-1/2 x 15-1/2 x 7/8 | Nominal Size: 12 x 16 x 1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long...

Glasfloss ZL 18x30x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 17-5/8 x 29-5/8 x 7/8

Actual Size: 17-5/8 x 29-5/8 x 7/8 | Nominal Size: 18 x 30 x 1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long...

Glasfloss ZL 8x8x1 MERV 10 (FPR 5-6) AC Furnace Air Filters. (Box of 6). Actual Size: 8 x 8 x 7/8

Actual Size: 8 x 8 x 7/8 | Nominal Size: 8 x 8 x 1 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Improved MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy...

Zephyr 14x24x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 14x24x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 24x30x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 24x30x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 18x24x3 VGF Merv 11 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 18x24x3 Merv 11 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 14x20x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 14x20x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 24x24x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 24x24x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 18x20x3 VGF Merv 11 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 18x20x3 Merv 11 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...

Zephyr 14x14x3 VGF Merv 13 Media Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

The 14x14x3 Merv 13 VGF Series 3 inch Deep 6-month Pleated Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter. Turns almost any air filter return into a media air cleaner. Gasketed Filter...