1" Furnace Filters

Need a Custom Air Filter? Custom Sizes for 1inch air filters are available in many standard and non-standard sizes.The most important thing when choosing your HVAC filter is to get your length x width x depth right. If you can’t find it written on the side of your filter, simply measure your filter with a tape measure. United Filter specializes in providing furnace and air conditioner filters to customers looking for positive solutions for their filtration needs. Having new ac or furnace filters is truly the best way to eliminate airborne particles in the air. We have the best ac and furnace filters for people with allergies, asthma etc.The most important thing to know is the correct air filter size for your replacement air filter. Unitedfilter.Com carry a number of efficient air conditioner filters for your home or business use which involves attaching a filter to the HVAC system and filtering air that flows through the HVAC system.The higher the rating, the fewer unwanted particles will pass through the filter. 

United Filter Is located in Mississauga Canada, however they set a standard for all of Ontario
$59.99

10x10x1 MERV 8 - 12 Pack

9-1/2 x 19-1/2 x 3/4

Nominal Size: 10 x 20 x 1 Actual Size: 9-1/2 x 19-1/2 x 3/4Part #: UF8-11010N MERV Rating: 8 # Per Case 12 Price per Case: $59.99 ...

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$59.99
If you need a furnace filter in the Toronto Area, trust United Filter for all your filter needs
$50.99

10x14x1 MERV 8 - 12 Pack

9-1/2 x 13-1/2 x 1-3/4

Nominal Size: 10 x 14 x 1 Merv 8 Actual Size: 9-1/2 x 13-1/2 x 1-3/4 Part #: UF8-11014 MERV Rating: 8 # Per Case: 12 Price per Case...

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$50.99
When you need to replace your air filter, call the professionals at United Filter
$84.99

10x14x1 Merv 11 - 12 Pack

9-1/2 x 13-1/2 x 3/4

Nominal Size: 10 x 14 x 1  Actual Size: 9-1/2 x 13-1/2 x 3/4 Part #: UF11-11014 MERV Rating: 11 # Per Case: 12 Price per Case: $84....

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$84.99
United Filter has a team of professionals which can help answer any question you could have about furnace filters
$59.99

10x20x1 MERV 8 - 12 Pack

9-1/2 x 19-1/2 x 3/4

Nominal Size: 10 x 20 x 1  Actual Size:  9-1/2 x 19-1/2 x 3/4 Part #: UF8-11020 MERV Rating: 8 # Per Case: 12 Price per Case: $59.9...

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$59.99
At United Filter we treat you with the best customer service and product satisfaction that we possibly can
$84.99

10x20x1 MERV 11 - 12 Pack

9-1/2 x 19-1/2 x 3/4

Nominal Size: 10 x 20 x 1  Actual Size:  9-1/2 x 19-1/2 x 3/4 Part #: UF11-11020 MERV Rating: 11 # Per Case: 12 Price per Case: $84...

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$84.99
10x20x1 MERV 13
$104.99

10x20x1 MERV 13

9-1/2 x 19-1/2 x 3/4

Nominal Size: 10 x 20 x 1  Actual Size:  9-1/2 x 19-1/2 x 3/4 Part #: UF13-11020 MERV Rating: 13 # Per Case: 12 Price per Case: $10...

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$104.99
11x20x1 Merv 8
$79.99

11x20x1 Merv 8

10-1/2 x 19-1/2 x 3/4

Nominal Size: 11 x 20 x 1  Actual Size: 10-1/2 x 19-1/2 x 3/4 Part #: UF8-11120 MERV Rating: 8 # Per Case: 12 Price per Case: $79.9...

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$79.99
11x20x1 Merv 11
$84.99

11x20x1 Merv 11

10-1/2 x 19-1/2 x 3/4

Nominal Size: 11 x 20 x 1  Actual Size:  10-1/2 x 19-1/2 x 3/4 Part #: UF11-11120 MERV Rating: 8 # Per Case: 12 Price per Case: $84...

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$84.99
12-3/4 x 18-1/2 x 1 Merv 8
$69.99

12-3/4 x 18-1/2 x 1 Merv 8

11-3/4 x 17-1/2 x 3/4

Nominal Size: 12-3/4 x 18-1/2 x 1  Actual Size: 11-3/4 x 17-1/2 x 3/4 Part #: UF8-SP1-236 MERV Rating: 8 # Per Case: 12 Price per C...

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$69.99
12x20x1 MERV 8
$69.99

12x20x1 MERV 8

11-1/2 x 19-1/2 x 3/4

Nominal Size: 12 x 20 x 1 Actual Size: 11-1/2 x 19-1/2 x 3/4 Part #: UF8-11220 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
12x20x1 MERV 11
$79.99

12x20x1 MERV 11

11-1/2 x 19-1/2 x 3/4

Nominal Size: 12 x 20 x 1 Actual Size: 11-1/2 x 19-1/2 x 3/4 Part #: UF11-11220-12 Merv rating: 11 # Per Case: 12 Price per Case: $...

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$79.99
12x20x1 MERV 13
$104.99

12x20x1 MERV 13

11-1/2 x 19-1/2 x 3/4

Nominal Size: 12 x 20 x 1 Actual Size: 11-1/2 x 19-1/2 x 3/4 Part #: UF13-11220 Merv rating: 13 # Per Case: 12 Price per Case: $104...

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$104.99
12x24x1 MERV 8
$69.99

12x24x1 MERV 8

11-3/8 x 23-3/8 x 3/4

Nominal Size: 12 x 24 x 1 Actual Size: 11-3/8 x 23-3/8 x 3/4 Part #: UF8-11224 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
12x24x1 MERV 11
$79.99

12x24x1 MERV 11

11-3/8 x 23-3/8 x 3/4

Nominal Size: 12 x 24 x 1 Actual Size: 11-3/8 x 23-3/8 x 3/4 Part #: UF11-11224 Merv rating: 11 # Per Case: 12 Price per Case: $79....

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$79.99
12x24x1 MERV 13
$104.99

12x24x1 MERV 13

11-3/8 x 23-3/8 x 3/4

Nominal Size: 12 x 24 x 1 Actual Size: 11-3/8 x 23-3/8 x 3/4 Part #: UF13-11224 Merv rating: 13 # Per Case: 12 Price per Case: $104...

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$104.99
14x16x1 Merv 8
$79.99

14x16x1 Merv 8

13-1/2 x 15-1/2 x 3/4

Nominal Size: 14 x 16 x 1 Actual Size: 13-1/2 x 15-1/2 x 3/4 Part #: UF8-11416 Merv rating: 8 # Per Case: 12 Price per Case: $79.99...

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$79.99
14x16x1 Merv 11
$94.99

14x16x1 Merv 11

13-1/2 x 15-1/2 x 3/4

Nominal Size: 14 x 16 x 1 Actual Size: 13-1/2 x 15-1/2 x 3/4 Part #: UF11-11416 Merv rating: 11 # Per Case: 12 Price per Case: $94....

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$94.99
14x20x1 MERV 8
$69.99

14x20x1 MERV 8

13-1/2 x 19-1/2 x 3/4

Nominal Size: 14 x 20 x 1 Actual Size: 13-1/2 x 19-1/2 x 3/4 Part #: UF8-11420 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
14x20x1 MERV 11
$79.99

14x20x1 MERV 11

13-1/2 x 19-1/2 x 3/4

Nominal Size: 14 x 20 x 1 Actual Size: 13-1/2 x 19-1/2 x 3/4 Part #: UF11-11420 Merv rating: 11 # Per Case: 12 Price per Case: $79....

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$79.99
14x20x1 MERV 13
$104.99

14x20x1 MERV 13

13-1/2 x 19-1/2 x 3/4

Nominal Size: 14 x 20 x 1 Actual Size: 13-1/2 x 19-1/2 x 3/4 Part #: UF13-11420 Merv rating: 13 # Per Case: 12 Price per Case: $104...

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$104.99
14x25x 1 MERV 13
$114.99

14x25x 1 MERV 13

13-1/2 x 24-1/2 x 3/4

Nominal Size: 14 x 25 x 1 Actual Size: 13-1/2 x 24-1/2 x 3/4 Part #: UF13-11425 Merv rating: 13 # Per Case: 12 Price per Case: $114...

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$114.99
14x25x1 MERV 8
$69.99

14x25x1 MERV 8

13-1/2 x 24-1/2 x 3/4

Nominal Size: 14 x 25 x 1 Actual Size: 13-1/2 x 24-1/2 x 3/4 Part #: UF8-11425 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
14x25x1 MERV 11
$89.99

14x25x1 MERV 11

13-1/2 x 24-1/2 x 3/4

Nominal Size: 14 x 25 x 1 Actual Size: 13-1/2 x 24-1/2 x 3/4 Part #: UF11-11425 Merv rating: 11 # Per Case: 12 Price per Case: $89....

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$89.99
15x20x1 MERV 11
$84.99

15x20x1 MERV 11

14-1/2 x 19-1/2 x 3/4

Nominal Size: 15 x 20 x 1 Actual Size: 14-1/2 x 19-1/2 x 3/4 Part #: UF11-11520 Merv rating: 11 # Per Case: 12 Price per Case: $54.9...

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$84.99
15x20x1 MERV 8
$69.99

15x20x1 MERV 8

14-1/2 x 19-1/2 x 3/4

Nominal Size: 15 x 20 x 1 Actual Size: 14-1/2 x 19-1/2 x 3/4 Part #: UF8-11520 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
15x20x1 MERV 13
$104.99

15x20x1 MERV 13

14-1/2 x 19-1/2 x 3/4

Nominal Size: 15 x 20 x 1 Actual Size: 14-1/2 x 19-1/2 x 3/4 Part #: UF13-11520 Merv rating: 13 # Per Case: 12 Price per Case: $104...

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$104.99
15x25x1 Merv 8
$69.99

15x25x1 Merv 8

14-1/2 x 24-1/2 x 3/4

Nominal Size: 15 x 25 x 1 Actual Size: 14-1/2 x 24-1/2 x 3/4 Part #: UF8-11525 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
15x30x1 Merv 8
$99.99

15x30x1 Merv 8

14-1/2 x 29-1/2 x 3/4

Nominal Size: 15 x 30 x 1 Actual Size: 14-1/2 x 29-1/2 x 3/4 Part #: UF8-11530 Merv rating: 8 # Per Case: 12 Price per Case: $99.99...

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$99.99
15x30x1 Merv 11
$129.99

15x30x1 Merv 11

14-1/2 x 29-1/2 x 3/4

Nominal Size: 15 x 30 x 1 Actual Size: 14-1/2 x 29-1/2 x 3/4 Part #: UF11-11530 Merv rating: 11 # Per Case: 12 Price per Case: $129...

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$129.99
16x16x1 MERV 8
$69.99

16x16x1 MERV 8

15-1/2 x 15-1/2 x 3/4

Nominal Size: 16 x 16 x 1 Actual Size: 15-1/2 x 15-1/2 x 3/4 Part #: UF8-11616 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
16x16x1 MERV 11
$89.99

16x16x1 MERV 11

15-1/2 x 15-1/2 x 3/4

Nominal Size: 16 x 16 x 1 Actual Size: 15-1/2 x 15-1/2 x 3/4 Part #: UF11-11616 Merv rating: 11 # Per Case: 12 Price per Case: $89....

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$89.99
16x16x1 MERV 13
$104.99

16x16x1 MERV 13

15-1/2 x 15-1/2 x 3/4

Nominal Size: 16 x 16 x 1 Actual Size: 15-1/2 x 15-1/2 x 3/4 Part #: UF13-11616 Merv rating: 13 # Per Case: 12 Price per Case: $104...

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$104.99
16x20x1 MERV 8
$69.99

16x20x1 MERV 8

15-1/2 x 19-1/2 x 3/4

Nominal Size: 16 x 20 x 1 Actual Size: 15-1/2 x 19-1/2 x 3/4 Part #: UF8-11620 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
16x20x1 MERV 11
$79.99

16x20x1 MERV 11

15-1/2 x 19-1/2 x 3/4

Nominal Size: 16 x 20 x 1 Actual Size: 15-1/2 x 19-1/2 x 3/4 Part #: UF11-11620 Merv rating: 11 # Per Case: 12 Price per Case: $79....

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$79.99
16x20x1 MERV 13
$99.99

16x20x1 MERV 13

15-1/2 x 19-1/2 x 3/4

Nominal Size: 16 x 20 x 1 Actual Size: 15-1/2 x 19-1/2 x 3/4 Part #: UF13-11620 Merv rating: 13 # Per Case: 12 Price per Case: $99....

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$99.99
16x24x1 Merv 8
$69.99

16x24x1 Merv 8

15-1/2 x 23-1/2 x 3/4

Nominal Size: 16 x 24 x 1 Actual Size: 15-1/2 x 23-1/2 x 3/4 Part #: U8-11624 Merv rating: 8 # Per Case: 12 Price per Case: $69.99 ...

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$69.99
16x24x1 Merv 11
$84.99

16x24x1 Merv 11

15-1/2 x 23-1/2 x 3/4

Nominal Size: 16 x 24 x 1 Actual Size: 15-1/2 x 23-1/2 x 3/4 Part #: UF11-11624 Merv rating: 11 # Per Case: 12 Price per Case: $84....

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$84.99
16x24x1 Merv 13
$114.99

16x24x1 Merv 13

15-1/2 x 23-1/2 x 3/4

Nominal Size: 16 x 24 x 1 Actual Size: 15-1/2 x 23-1/2 x 3/4 Part #: UF13-11624 Merv rating: 13 # Per Case: 12 Price per Case: $114...

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$114.99
16x25x1 MERV 8
$69.99

16x25x1 MERV 8

15-1/2 x 24-1/2 x 3/4

Nominal Size: 16 x 25 x 1 Actual Size: 15-1/2 x 24-1/2 x 3/4 Part #: UF8-11625 Merv rating: 8 # Per Case: 12 Price per Case: $69.99...

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$69.99
16x25x1 Carbon Pleats MERV 8
$94.95

16x25x1 Carbon Pleats MERV 8

15-1/2 x 24-1/2 x 3/4

Nominal Size: 16x25x1 Carbon Pleats  Actual Size: 15-1/2 x 24-1/2 x 3/4 Part #: UFCP-11625-6 MERV Rating: 8 # Per Case: 6 Price per C...

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$94.95
16x25x1 MERV 11
$79.99

16x25x1 MERV 11

15-1/2 x 24-1/2 x 3/4

Nominal Size: 16 x 25 x 1 Actual Size: 15-1/2 x 24-1/2 x 3/4 Part #: UF11-11625 Merv rating: 11 # Per Case: 12 Price per Case: $79....

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$79.99