The filter and hvac store – Honeywell 11255 User Manual
Page 50
50
Notes:
1. PD represents clean pressure drop in inches w.g. Recommended final pressure drop for all models is 1.5 inches w.g.
2. Operation down to zero airflow is satisfactory for all models.
3. Consult factory before operating at these velocities.
4. Efficiency is average and is based on ASHRAE Standard 52.1 test methods.
5. Performance tolerances conform to Section 7.4 of ARI Standard 850.
6. Actual filter face size is 5/8” under on height and width. Actual filter depth is 5-7/8” or 11-1/2”
7. Performance values stated may be averages typical of the products listed. Contact factory for actual performance test
reports on specific products.
Rigid-Air Box Type Filters
Nominal
Depth
(inch)
Efficiency
12
6
90-95%
80-85%
60-65%
50-55%
90-95%
80-85%
60-65%
50-55%
Nominal Size
H x W x D (inch)
24 x 24 x 12
24 x 12 x 12
24 x 24 x 12
24 x 12 x 12
24 x 24 x 12
24 x 12 x 12
24 x 24 x 12
24 x 12 x 12
24 x 24 x 6
24 x 12 x 6
24 x 24 x 6
24 x 12 x 6
24 x 24 x 6
24 x 12 x 6
24 x 24 x 6
24 x 12 x 6
250 fpm 375 fpm 500 fpm 625 fpm
cfm PD cfm PD cfm PD cfm PD
.
24
.20
.13
.10
.45
.35
.25
.13
1500
750
1500
750
1500
750
1500
750
1500
750
1500
750
1500
750
1500
750
.44
.34
.24
.20
.72
.60
.42
.23
Media
Area
(sq. ft.)
Weight
Each
(lbs.)
58
28
58
28
58
28
58
28
29
14
29
14
29
14
29
14
19
11
19
11
19
11
19
11
10
5
10
5
10
5
10
5
Note 3
Note 3
Note 3
2500
1250
.45
1000
500
1000
500
1000
500
1000
500
1000
500
1000
500
1000
500
100
500
2000
1000
2000
1000
2000
1000
2000
1000
2000
1000
2000
1000
2000
1000
2000
1000
.66
.51
.36
.30
1.00
.84
.60
.35
Rigid-Air Box Type Filter With Metal Pleat Separators
2500
1250
2500
1250
2500
1250
2500
1250
.90
.70
.49
.41
Flanders - Foremost in Air Filtration
Corporate Headquarters, St. Petersburg, FL
Rigid-Air
is now
available
with new
ALL METAL
pleat
supports
.
the filter and hvac store