Page 90 - 2021'03 FULL CATALOG

P R A P K 90-95 % 80-85 % 60-65 % 40-45 %
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SIZE PKT A IR FLO W IN ITIA L IN ITIA L IN ITIA L IN ITIA L ME IA SIZE
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W x H x D N O. C A P C IT Y R ESIST. R ESIST. R ESIST. R ESIST. SQ A R E W x H x D
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N OMI A L C FM IN . .G. IN . .G. IN . .G. IN . .G. FEET N OMI A L
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MM
24 x 24 x 15 6 1000 1250 1500 .50 .62 .74 .42 .52 .62 .35 .43 .52 .29 .35 .42 35.75 610 x 610 x 381
24 x 24 x 15 7 1000 1250 1500 .47 .57 .70 .39 .48 .59 .33 .40 .49 .27 .33 .40 41.71 610 x 610 x 381
24 x 24 x 15 8 1000 1250 1500 .42 .53 .67 .35 .45 .56 .29 .37 .47 .24 .30 .38 47.66 610 x 610 x 381
24 x 24 x 15 10 1000 1250 1500 .38 .45 .60 .32 .38 .50 .26 .31 .42 - - - 59.58 610 x 610 x 381
24 x 24 x 15 12 1000 1250 1500 .30 .37 .53 .25 .31 .45 .21 .26 .37 - - - 71.50 610 x 610 x 381
24 x 24 x 21 6 1000 1250 1500 .43 .56 .64 .36 .47 .54 .30 .39 .45 .25 .32 .37 48.75 610 x 610 x 533
24 x 24 x 21 8 1000 1500 2000 .38 .52 .63 .32 .44 .53 .26 .36 .44 .22 .30 .36 65.00 610 x 610 x 533
24 x 24 x 21 10 1000 1500 2000 .34 .45 .58 .29 .38 .49 .24 .31 .40 .19 .26 .33 81.25 610 x 610 x 533
24 x 24 x 25 6 1000 1500 2000 .32 .55 .68 .27 .46 .57 .22 .38 .47 - - - 57.41 610 x 610 x 635
24 x 24 x 25 8 1000 1500 2000 .23 .41 .59 .19 .34 .50 .16 .29 .41 - - - 76.55 610 x 610 x 635
24 x 24 x 25 10 1500 2000 2500 .29 .50 .66 .24 .42 .55 .20 .35 .46 - - - 95.69 610 x 610 x 635
24 x 24 x 29 6 1500 2000 2500 .51 .62 .74 .43 .52 .62 .36 .43 .52 - - - 66.08 610 x 610 x 737
24 x 24 x 29 8 1500 2000 2500 .39 .49 .62 .33 .41 .52 .27 .34 .43 .22 .30 - 88.11 610 x 610 x 737
24 x 24 x 29 10 1500 2000 2500 .25 .41 .58 .21 .34 .49 .17 .29 .40 - - - 110.13 610 x 610 x 737
24 x 24 x 36 6 1500 2000 2500 .38 .57 .72 .32 .48 .60 .26 .40 .50 - - - 81.25 610 x 610 x 914
24 x 24 x 36 8 1500 2000 2500 .29 .48 .61 .24 .40 .51 .20 .33 .43 - - - 108.83 610 x 610 x 914
24 x 24 x 36 10 1500 2000 2500 .22 .38 .53 .18 .32 .45 .15 .26 .37 - - - 135.41 610 x 610 x 914
20 x 24 x 15 6 850 1050 1250 .50 .62 .74 .42 .52 .62 .35 .43 .52 .29 .35 .42 35.75 508 x 610 x 381
20 x 24 x 15 8 850 1050 1250 .42 .53 .67 .35 .45 .56 .29 .37 .47 .24 .30 .38 47.66 508 x 610 x 381
20 x 24 x 15 10 850 1050 1250 .38 .45 .60 .32 .38 .50 .26 .31 .42 .22 .26 .34 59.58 508 x 610 x 381
20 x 24 x 21 6 850 1050 1250 .43 .56 .64 .36 .47 .54 .30 .39 .45 .25 .32 .37 48.75 508 x 610 x 533
20 x 24 x 21 8 850 1250 1650 .38 .52 .63 .32 .44 .53 .26 .36 .44 .22 .30 .36 65.00 508 x 610 x 533
20 x 24 x 21 10 850 1250 1650 .34 .45 .58 .29 .38 .49 .24 .31 .40 .19 .26 .33 81.25 508 x 610 x 533
20 x 24 x 25 6 850 1250 1650 .32 .55 .68 .27 .46 .57 .22 .38 .47 - - - 57.41 508 x 610 x 533
20 x 24 x 25 8 850 1250 1650 .23 .41 .59 .19 .34 .50 .16 .29 .41 - - - 76.55 508 x 610 x 533
20 x 24 x 25 10 1250 1650 2100 .29 .50 .66 .24 .42 .55 .20 .35 .46 - - - 95.69 508 x 610 x 533
20 x 24 x 29 6 1250 1650 2100 .51 .62 .74 .43 .52 .62 .36 .43 .52 - - - 66.08 508 x 610 x 737
20 x 24 x 29 8 1250 1650 2100 .39 .49 .62 .33 .41 .52 .27 .34 .43 - - - 88.11 508 x 610 x 737
20 x 24 x 29 10 1250 1650 2100 .25 .41 .58 .21 .34 .49 .17 .29 .40 - - - 110.13 508 x 610 x 737
20 x 24 x 36 6 1250 1650 2100 .38 .57 .72 .32 .48 .60 .26 .40 .50 - - - 81.25 508 x 610 x 914
20 x 24 x 36 8 1250 1650 2100 .29 .48 .61 .24 .40 .51 .20 .33 .43 - - - 108.83 508 x 610 x 914
20 x 24 x 36 10 1250 1650 2100 .22 .38 .53 .18 .32 .45 .15 .26 .37 - - - 135.41 508 x 610 x 914
12 x 24 x 15 3 500 625 750 .50 .62 .74 .42 .52 .62 .35 .43 .52 .29 .35 .42 17.87 305 x 610 x 381
12 x 24 x 15 4 500 625 750 .42 .53 .67 .35 .45 .56 .29 .37 .47 .24 .30 .38 23.83 305 x 610 x 381
12 x 24 x 15 5 500 625 750 .38 .45 .60 .32 .38 .50 .26 .31 .42 .22 .26 .34 29.79 305 x 610 x 381
12 x 24 x 15 6 500 625 750 .30 .37 .53 .25 .31 .45 .21 .26 .37 .17 .21 .30 35.75 305 x 610 x 381
12 x 24 x 21 3 500 625 750 .43 .56 .64 .36 .47 .54 .30 .39 .45 .25 .32 .37 24.37 305 x 610 x 533
12 x 24 x 21 4 500 750 1000 .38 .52 .63 .32 .44 .53 .26 .36 .44 .22 .30 .36 32.50 305 x 610 x 533
12 x 24 x 21 5 500 750 1000 .34 .45 .58 .29 .38 .49 .24 .31 .40 .19 .26 .33 40.63 305 x 610 x 533
12 x 24 x 25 3 500 750 1000 .32 .55 .68 .27 .46 .57 .22 .38 .47 - - - 28.70 305 x 610 x 635
12 x 24 x 25 4 500 750 1000 .23 .41 .59 .19 .34 .50 .16 .29 .41 - - - 38.27 305 x 610 x 635
12 x 24 x 25 5 750 1000 1250 .29 .50 .66 .24 .42 .55 .20 .35 .46 - - - 47.84 305 x 610 x 635
12 x 24 x 29 3 750 1000 1250 .51 .62 .74 .43 .52 .62 .36 .43 .52 - - - 33.04 305 x 610 x 737
12 x 24 x 29 4 750 1000 1250 .39 .49 .62 .33 .41 .52 .27 .34 .43 - - - 44.05 305 x 610 x 737
12 x 24 x 29 5 750 1000 1250 .25 .41 .58 .21 .34 .49 .17 .29 .40 - - - 55.07 305 x 610 x 737
12 x 24 x 36 3 750 1000 1250 .38 .57 .72 .32 .48 .60 .26 .40 .50 - - - 40.62 305 x 610 x 914
12 x 24 x 36 4 750 1000 1250 .29 .48 .61 .24 .40 .51 .20 .33 .43 - - - 54.16 305 x 610 x 914
12 x 24 x 36 5 750 1000 1250 .22 .38 .53 .18 .32 .45 .15 .26 .37 - - - 67.70 305 x 610 x 914
24 x 24 x 12 6 1500 2000 2500 - - - - - - - - - .44 .51 .57 29.25 610 x 610 x 305
20 x 24 x 12 4 1000 1250 1500 - - - - - - - - - .41 .46 .54 19.50 508 x 610 x 305
20 x 24 x 12 5 1250 1500 1750 - - - - - - - - - .42 .46 .53 24.37 508 x 610 x 305
20 x 24 x 12 6 1250 1500 2000 - - - - - - - - - .37 .44 .51 29.25 508 x 610 x 305
20 x 20 x 12 4 1000 1250 1500 - - - - - - - - - .43 .48 .56 16.50 508 x 508 x 305
20 x 20 x 12 5 1000 1500 1750 - - - - - - - - - .39 .52 .59 20.62 508 x 508 x 305
20 x 20 x 12 6 1250 1500 1750 - - - - - - - - - .40 .47 .54 24.75 508 x 508 x 305
20 x 20 x 21 5 1250 1500 2000 - - - - - - - - - .30 .36 .43 34.63 508 x 508 x 533
20 x 20 x 21 6 1250 1500 2000 - - - - - - - - - .25 .32 .37 41.25 508 x 508 x 533
20 x 20 x 21 7 1250 1500 2000 - - - - - - - - - .21 .28 .34 48.63 508 x 508 x 533
12 x 24 x 12 3 750 1000 1250 - - - - - - - - - .44 .51 .57 14.63 305 x 610 x 305
Actual size of face dimension is 5/8” less than nominal. Header thickness is 13/16”
Tolerances shall be +/- 1/8” for height, width and +/- 1” on depth.
All special sizes will be undersized 1/4” unless specified otherwise.
Depth of filter is measured from the front of the header to the end of the pocket.
Recommended final resistance is 1.50” in. w.g.
Performance values based on ASHRAE and in-house testing methods.
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“Serving You With Locations Throughout The ation”
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Glasfloss has a policy of uninterrupted research, develop ent and product i prove ent and reserves the right to change design and specifications ithout notice.
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