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Air Filters
Test Instruments
Pleated panel filters
Indoor Air Quality
4” pleated air filters
Filter
Actual Filter Size
9 1/2 in X 19 1/2 in X 3/4 in
9 1/2 in X 19 1/2 in X 1 3/4 in
11 3/4 in X 11 3/4 in X 3/4 in
11 1/2 in X 19 1/2 in X 3/4 in
11 1/2 in X 23 1/2 in X 3/4 in
11 3/8 in X 23 3/8 in X 1 3/4 in
11 3/8 in X 23 3/8 in X 3 3/4 in
13 1/2 in X 19 1/2 in X 3/4 in
13 1/2 in X 19 1/2 in X 1 3/4 in
13 1/2 in X 24 1/2 in X 3/4 in
13 1/2 in X 24 1/2 in X 1 3/4 in
15 3/4 in X 15 3/4 in X 3/4 in
15 1/2 in X 19 1/2 in X 3/4 in
15 1/2 in X 19 1/2 in X 1 3/4 in
15 1/2 in X 19 1/2 in X 3 3/4 in
15 1/2 in X 23 1/2 in X 3/4 in
15 3/8 in X 23 3/8 in X 1 3/4 in
15 1/2 in X 24 1/2 in X 3/4 in
15 1/2 in X 24 1/2 in X 3 3/4 in
17 1/2 in X 19 1/2 in X 3/4 in
17 1/2 in X 23 1/2 in X 3/4 in
17 3/8 in X 23 3/8 in X 1 3/4 in
17 3/8 in X 23 3/8 in X 3 3/4 in
17 1/2 in X 24 1/2 in X 3/4 in
17 1/2 in X 24 1/2 in X 1 3/4 in
19 1/2 in X 19 1/2 in X 3/4 in
19 1/2 in X 19 1/2 in X 1 3/4 in
19 1/2 in X 19 1/2 in X 3 3/4 in
19 3/8 in X 23 3/8 in X 1 3/4 in
19 3/8 in X 23 3/8 in X 3 3/4 in
19 1/2 in X 24 1/2 in X 3/4 in
19 1/2 in X 24 1/2 in X 1 3/4 in
19 1/2 in X 24 1/2 in X 3 3/4 in
19 3/4 in X 29 3/4 in X 3/4 in
23 1/2 in X 23 1/2 in X 3/4 in
23 3/8 in X 23 3/8 in X 1 3/4 in
23 3/8 in X 23 3/8 in X 3 3/4 in
24 1/2 in X 24 1/2 in X 3/4 in
9 1/2 in X 9 1/2 in X 3/4 in
11 1/2 in X 19 1/2 in X 1 3/4 in
13 1/2 in X 23 1/2 in X 3/4 in
14 1/2 in X 19 1/2 in X 3/4 in
14 1/2 in X 19 1/2 in X 1 3/4 in
15 1/2 in X 15 1/2 in X 1 3/4 in
15 1/2 in X 24 1/2 in X 1 3/4 in
17 3/4 in X 17 3/4 in X 3/4 in
19 1/2 in X 29 1/2 in X 3/4 in
19 1/2 in X 29 1/2 in X 1 3/4 in
19 1/2 in X 29 1/2 in X 3 3/4 in
19 1/2 in X 23 1/2 in X 3/4 in
21 3/4 in X 21 3/4 in X 3/4 in
24 1/2 in X 24 1/2 in X 1 3/4 in
Air Flow @ 300 fpm
415 cfm
400 CFM
300 CFM
500 CFM
600 CFM
750 CFM
575 CFM
725 CFM
525 CFM
650 CFM
800 CFM
825 CFM
900 CFM
925 CFM
1050 CFM
1250 CFM
1200 CFM
1300 CFM
200 CFM
700 CFM
675 CFM
1000 CFM
Air Flow @ 500 fpm
2,170 cfm
700 CFM
1000 CFM
975 CFM
1200 CFM
1100 CFM
1325 CFM
1400 CFM
1125 CFM
1500 CFM
1550 CFM
1650 CFM
1700 CFM
2000 CFM
2150 CFM
825 CFM
1050 CFM
1750 CFM
Applications
P312 panel filters perform best in conditions where large quantities of lint and dust are present.
Filter Capacity
Standard Capacity
High Capacity
Filter Efficiency
70 percent 3.0 - 10.0 micron
Filter Frame Color
White
Green
Frame Material
Moisture Resistant Beverage Board Frame
Beverage Board
Initial Resistance @ 300 fpm
0.15 in.w.g.
0.33 in w.g
0.14 in w.g
Initial Resistance @ 500 fpm
0.22 in.w.g.
0.39 in w.g
0.34 in w.g
0.20 in w.g
0.14 in w.g
Max. Temp
150 Degree F
200 Degree F
Max. Velocity
300 fpm
500 fpm
375 FPM
500 FPM
625 FPM
250 FPM
525 FPM
825 FPM
750 FPM
1000 FPM
725 FPM
975 FPM
875 FPM
900 FPM
1200 FPM
775 FPM
1050 FPM
650 FPM
1100 FPM
1400 FPM
1325 FPM
1750 FPM
850 FPM
925 FPM
1125 FPM
1500 FPM
1875 FPM
1175 FPM
1250 FPM
1650 FPM
2100 FPM
1300 FPM
2200 FPM
2000 FPM
2500 FPM
1625 FPM
2150 FPM
Media Area
1.8 sq ft
3.2 sq ft
Media Color
White
Media Material
Synthetic
Nominal Depth
1 in
2 in
14 in
4 in
5 in
6 in
Nominal Filter Size
10 x 20 x 1
12 x 12 x 1
12 x 20 x 1
12 x 20 x 2
12 x 24 x 1
12 x 24 x 2
14 x 20 x 1
14 x 20 x 2
14 x 24 x 1
14 x 25 x 1
14 x 25 x 2
14 x 30 x 1
15 x 20 x 1
15 x 20 x 2
16 x 16 x 2
16 x 20 x 1
16 x 20 x 2
16 x 20 x 4
16 x 24 x 1
16 x 24 x 2
16 x 25 x 1
16 x 25 x 2
16 x 25 x 4
18 x 18 x 2
18 x 20 x 1
18 x 20 x 2
18 x 24 x 1
18 x 24 x 2
18 x 24 x 4
18 x 25 x 1
18 x 25 x 2
20 x 20 x 1
20 x 20 x 2
20 x 20 x 4
20 x 24 x 1
20 x 24 x 2
20 x 24 x 4
20 x 25 x 1
20 x 25 x 2
20 x 25 x 4
20 x 30 x 1
20 x 30 x 2
22 x 22 x 1
24 x 24 x 1
24 x 24 x 2
24 x 24 x 4
25 x 25 x 1
25 x 25 x 2
16 X 16 X 2
15 X 30 5/8 X 1
10 in X 10 in X 1 in
16 in X 16 in X 1 in
18 in X 18 in X 1 in
12 in X 24 in X 4 in
10 in X 10 in X 2 in
10 in X 20 in X 1 in
10 in X 20 in X 2 in
12 in X 12 in X 1 in
12 in X 12 in X 2 in
12 in X 20 in X 1 in
12 in X 20 in X 2 in
12 in X 24 in X 1 in
12 in X 24 in X 2 in
14 in X 20 in X 1 in
14 in X 20 in X 2 in
14 in X 25 in X 1 in
14 in X 25 in X 2 in
15 in X 20 in X 1 in
15 in X 20 in X 2 in
16 in X 16 in X 2 in
16 in X 20 in X 1 in
16 in X 20 in X 2 in
16 in X 20 in X 4 in
16 in X 20 in X 5 in
16 in X 24 in X 1 in
16 in X 24 in X 2 in
16 in X 25 in X 1 in
16 in X 25 in X 4 in
16 in X 25 in X 5 in
18 in X 18 in X 2 in
18 in X 20 in X 1 in
18 in X 20 in X 2 in
18 in X 24 in X 1 in
18 in X 24 in X 2 in
18 in X 24 in X 4 in
18 in X 25 in X 1 in
18 in X 25 in X 2 in
20 in X 20 in X 1 in
20 in X 20 in X 2 in
20 in X 20 in X 4 in
20 in X 20 in X 5 in
20 in X 24 in X 2 in
20 in X 24 in X 4 in
20 in X 25 in X 1 in
20 in X 25 in X 2 in
20 in X 25 in X 4 in
20 in X 25 in X 6 in
20 in X 30 in X 1 in
20 in X 30 in X 2 in
24 in X 24 in X 1 in
24 in X 24 in X 2 in
24 in X 24 in X 4 in
25 in X 25 in X 1 in
25 in X 25 in X 2 in
17 in X 22 in X 1 in
14 in X 24 in X 1 in
16 in X 25 in X 2 in
20 in X 24 in X 1 in
22 in X 22 in X 1 in
14 in X 30 in X 1 in
25 in X 30 in X 1 in
Nominal Height
10 in
12 in
14 in
15 in
16 in
18 in
20 in
22 in
24 in
25 in
17 in
Nominal Width
20 in
12 in
24 in
25 in
30 in
16 in
18 in
22 in
10 in
Performance Rating
MERV 8
MERV 4
MERV 5
MERV 13
MERV 10
Recommended Resistance
1.0 in.w.g.
1.00 in wc
0.50 in wc
1.0 in w.g
Standards
ASHRAE Standard 52.2-2017
ASHRAE Standard 52.2-2018
UL Classified
UL 900 Classified, ULC-S111-07 Classified, ASHRAE 52.2 Test
Style
Die-Cut Panel
Panel
Pleated
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Filtration Group Corporation
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4" Pleated Air Filter
Green Pleated Air Filter, 12 in X 24 in X 4 in, MERV 13
Mfr #21541
Part #12X24X4-MERV13
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Filtration Group Corporation
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4" Pleated Air Filter
Green Pleated Air Filter, 16 in X 20 in X 4 in, MERV 13
Mfr #21542
Part #16X20X4-MERV13
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Filtration Group Corporation
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4" Pleated Air Filter
Green Pleated Air Filter, 16 in X 25 in X 4 in, MERV 13
Mfr #21543
Part #16X25X4-MERV13
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Filtration Group Corporation
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4" Pleated Air Filter
Green Pleated Air Filter, 18 in X 24 in X 4 in, MERV 13
Mfr #21544
Part #18X24X4-MERV13
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Filtration Group Corporation
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4" Pleated Air Filter
Green Pleated Air Filter, 20 in X 20 in X 4 in, MERV 13
Mfr #21545
Part #20X20X4-MERV13
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 16 in x 20 in x 4 in
Mfr #5251504832
Part #16X20X4AB40
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 16 in x 25 in x 4 in
Mfr #5251525519
Part #16X25X4AB40
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 18 in x 24 in x 4 in
Mfr #5251504834
Part #18X24X4AB40
Availability:
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 20 in x 20 in x 4 in
Mfr #5251504836
Part #20X20X4AB40
Availability:
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 20 in x 24 in x 4 in
Mfr #5251580934
Part #20X24X4AB40
Availability:
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 20 in x 25 in x 4 in
Mfr #5251525430
Part #20X25X4AB40
Availability:
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Parker Hannifin Corp.
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4" Pleated Air Filter
Key Pleat HC Standard Size Pleated Air Filter, MERV 8, 24 in x 24 in x 4 in
Mfr #5251504837
Part #24X24X4AB40
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