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Depth
Nominal
Depth
(inch)
10 x 10 x 1 210 0.15 347 0.38 1.6
10 x 20 x 1 417 0.15 694 0.38 3.2
12 x 20 x 1 500 0.15 833 0.38 3.8
12 x 24 x 1 600 0.15 1000 0.38 4.5
14 x 20 x 1 583 0.15 972 0.38 4.5
14 x 25 x 1 729 0.15 1215 0.38 5.3
15 x 20 x 1 625 0.15 1042 0.38 4.8
16 x 20 x 1 667 0.15 1110 0.38 4.8
16 x 25 x 1 834 0.15 1390 0.38 6.1
20 x 20 x 1 834 0.15 1390 0.38 6.1
18 x 24 x 1 900 0.15 1500 0.38 6.9
18 x 25 x 1 945 0.15 1575 0.38 7.2
20 x 24 x 1 1000 0.15 1667 0.38 7.7
20 x 25 x 1 1042 0.15 1735 0.38 7.6
24 x 24 x 1 1200 0.15 2000 0.38 8.9
10 x 20 x 2 417 0.13 694 0.29 6.4
12 x 20 x 2 500 0.13 833 0.29 7.7
12 x 24 x 2 600 0.13 1000 0.29 8.7
14 x 20 x 2 583 0.13 972 0.29 8.9
14 x 25 x 2 729 0.13 1215 0.29 11.2
15 x 20 x 2 625 0.13 1042 0.29 9.6
16 x 20 x 2 667 0.13 1110 0.29 10.0
16 x 25 x 2 834 0.13 1390 0.29 12.4
18 x 24 x 2 900 0.13 1500 0.29 13.8
18 x 25 x 2 938 0.13 1563 0.29 14.4
20 x 20 x 2 834 0.13 1390 0.29 12.4
20 x 24 x 2 1000 0.13 1667 0.29 15.3
20 x 25 x 2 1042 0.13 1735 0.29 15.5
24 x 24 x 2 1200 0.13 2000 0.29 17.8
25 x 25 x 2 1300 0.13 2170 0.29 19.2
37
12 x 24 x 4 600 0.10 1250 0.35 14.0
16 x 20 x 4 667 0.10 1390 0.35 15.5
16 x 25 x 4 834 0.10 1735 0.35 19.6
18 x 24 x 4 900 0.10 1500 0.35 21.9
20 x 20 x 4 834 0.10 1735 0.35 19.6
20 x 24 x 4 1000 0.10 1667 0.35 24.3
20 x 25 x 4 1042 0.10 2170 0.35 24.0
24 x 24 x 4 1200 0.10 2500 0.35 28.0
25 x 29 x 4 1500 0.10 3100 0.35 34.0
28 x 30 x 4 1680 0.10 3500 0.35 39.0
1.0 General
1.1 High velocity Pre Pleat HV extended surface
pleated filter as manufactured by Flanders.
1.2 Filter sizes and capacities shall be as scheduled
on the drawings.
2.0 Filter Construction
2.1 Filter media shall be manufactured of 100% elec-
trostatically charged synthetic fibers and bonded
to a corrosion-resistant expanded metal backing.
2.2 The frame shall be moisture resistant
board with diagonal and horizontal support mem-
bers on the upstream and downstream sides.
3.0 Performance
3.1 Initial and final resistance shall not exceed the
scheduled values.
3.2 Media area must be equal to that of the specified
filter.
3.3 The minimum efficiency shall be a MERV 8 rating
per ASHRAE Standard 52.2 and 50% dust spot
efficiency per ASHRAE Standard 52.1.
3.4 The manufacturer shall guarantee performance
as stated in the literature within tolerances as out-
lined in Section 7.4 of ARI Standard 850.
Guide Specifications
300 fpm 625 fpm
4
cfm
PD cfm PD
Media
Area
(sq. ft)
Nominal Size
H x W x D (inch)
Nominal Size
H x W x D
(inch)
300 fpm 500 fpm
cfm PD cfm PD
2
1
Media
Area
sq. ft.
Performance values stated may be averages typical of the products listed.
Contact factory for actual performance test reports on specific products.
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