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Flanders Precisionaire - Foremost in Air Filtration
Toll Free: 1-800-347-2220
Prefilters
Disposable Air
Filers
Standard Sizes
Performance Data - HD Industrial Grade
Typical initial (clean) pressure drop at nominal cfm is 0.07 in. w.g. for 1 in. filters and 0.10 in. w.g. for 2 in. filters.
Recommended final resistance is 0.50 in. w.g., but the system design may dictate a lower change out point.
1.0 General
1.1 Disposable filters shall be Model HD Industrial
Grade filters as manufactured by Flanders
Precisionaire.
1.2 Filters shall be UL 900 Class 2 listed.
2.0 Filter Construction
2.1 Filters shall be constructed of fiberglass or syn-
thetic media (as specified) enclosed in a one-
piece chipboard frame.
2.2 Perforated corrosion resistant steel or expanded
metal support grilles shall be furnished on both
entry and exit sides of the filter.
2.3 Media and grilles shall be continuously glued to
the inside perimeter of the frame.
3.0 Performance
3.1 The manufacturer shall guarantee performance
as stated in its literature within tolerances as out-
lined in Section 7.4 of ARI Standard 850.
Guide Specifications
Nominal Size (in.)
Actual Size H x W x D (in)
cfm @ 300 fpm
Standard Carton Qty. Weight per Carton (lbs.)
10x10x1
9-7/8 x 9-7/8 x 3/4
208
12
3.3
10x20x1
9-7/8 x 19-7/8 x 3/4
417
12
5.2
10x24x1
9-7/8 x 23-7/8 x 3/4
500
12
6.1
10x25x1
9-7/8 x 24-7/8 x 3/4
521
12
6.5
10x30x1
9-7/8 x 29-7/8 x 3/4
625
12
7.0
12x12x1
11 -7/8 x 11 -7/8 x 3/4
300
12
4.0
12x20x1
11 -7/8 x 19-7/8 x 3/4
500
12
5.8
12x24x1
11 -7/8 x 23-7/8 x 3/4
600
12
6.7
12x25x1
11 -7/8 x 24-7/8 x 3/4
625
12
7.5
12x30x1
11 -7/8 x 29-7/8 x 3/4
749
12
8.0
14x14x1
13-7/8 x 13-7/8 x 3/4
408
12
5.2
14x20x1
13-7/8 x 19-7/8 x 3/4
583
12
6.2
14x24x1
13-7/8 x 23-7/8 x 3/4
700
12
7.3
14x25x1
13-7/8 x 24-7/8 x 3/4
729
12
7.7
14x30x1
13-7/8 x 29-7/8 x 3/4
875
12
10.5
15x20x1
14-7/8 x 19-7/8 x 3/4
625
12
6.7
15x25x1
14-7/8 x 24-7/8 x 3/4
781
12
6.8
16x16x1
15-7/8 x 15-7/8 x 3/4
533
12
6.3
16x20x1
15-3/4 x 19-1/2 x 3/4
667
12
6.9
16x24x1
15-7/8 x 23-7/8 x 3/4
800
12
8.5
16x25x1
15-3/4 x 24-5/8 x 3/4
833
12
8.3
18x20x1
17-7/8 x 19-7/8 x 3/4
750
12
8.0
18x24x1
17-7/8 x 23-7/8 x 3/4
900
12
9.0
18x25x1
17-7/8 x 24-7/8 x 3/4
938
12
9.6
19x27x1
18-7/8 x 26-7/8 x 3/4
1069
12
11.8
20x20x1
19-5/8 x 19-5/8 x 3/4
833
12
7.9
20x24x1
19-7/8 x 23-7/8 x 3/4
1000
12
9.5
20x25x1
19-5/8 x 24-5/8 x 3/4
1042
12
9.5
20x30x1
19-7/8 x 29-7/8 x 3/4
1250
12
12.5
22x22x1
21-7/8 x 21-7/8 x 3/4
1008
12
9.5
24x24x1
23-7/8 x 23-7/8 x 3/4
1200
12
11.3
24x30x1
23-7/8 x 29-7/8 x 3/4
1500
12
14.3
25x25x1
24-7/8 x 24-7/8 x 3/4
1302
12
13.5
10x10x2
9-7/8 x 9-7/8 x 1-5/8
208
12
3.9
10x20x2
9-7/8 x 19-7/8 x 1-5/8
417
12
6.6
12x24x2
11-1/2 x 23-1/2 x 1-5/8
600
12
8.0
14x20x2
13-7/8 x 19-7/8 x 1-5/8
584
12
9.1
14x25x2
13-7/8 x 24-7/8 x 1-5/8
730
12
10.5
15x20x2
14-7/8 x 19-7/8 x 1-5/8
625
12
9.6
16x20x2
15-3/4 x 19-1/2 x 1-5/8
667
12
9.6
16x24x2
15-3/4 x 23-1/2 x 1-5/8
800
12
11.6
16x25x2
15-3/4 x 24-1/2 x 1-5/8
834
12
11.6
18x24x2
17-7/8 x 23-7/8 x 1-5/8
900
12
12.8
20x20x2
19-1/2 x 19-1/2 x 1-5/8
834
12
11.9
20x24x2
19-1/2 x 23-1/2 x 1-5/8
1000
12
14.2
20x25x2
19-1/2 x 24-1/2 x 1-5/8
1042
12
14.0
24x24x2
23-1/2 x 23-1/2 x 1-5/8
1200
12
16.0
25x25x2
24-7/8 x 24-7/8 x 1-5/8
1302
12
17.2
