Permatron polypropylene electrostatic prefilter upgrade for electronic air cleaners. Made for Honeywell series F50F, F300 and Trion HE; in nominal size 16x20, 16x25, 20x20 and 20x25. Independent testing shows 43% increase in average arrestance efficiency over metal mesh prefilter. Will
NOT fit the F50A or F50E Series.
Pre-filter Variation
Single Panel in Full Size: One large filter in full size of the air cleaner.
Two Panel in Half Size: A pair of filter in half size of the air cleaner to accommodate tight space such a closet unit
| Nominal Size |
16 x 20 |
16 x 25 |
20 x 20 |
20 x 25 |
| Full Size Measurement |
15-3/4 x 19-7/8 x 5/16 |
15-15/16 x 24-7/8 x 5/16 |
19-15/16 x 19-7/8 x 5/16 |
19-15/16 x 24-7/8 x 5/16 |
| Half Panel Measurement |
15-3/4 x 9-7/8 x 5/16 |
15-15/16 x 12-7/16 x 5/16 |
19-15/16 x 9-7/16 x 5/16 |
19-15/16 x 12-7/16 x 5/16 |
| Honeywell Models |
F300E1001, F300A1620, F50F1149 |
F300E1019, F300A1625, F50F1073, F50F1099 |
F300E1027, F300A2020, F50F1032, F50F1107 F50F1230, F50F1230 |
F300E1035, F300A2025, F50F1065, F50F1081, F50F1008, F58F1000, F58C1007 |
| Trion Models |
N/A |
HE1400 16x25, 455600-125, 455601-001 |
HE1400 20x20, 455600-225, 455600-225 |
HE2000 20x25, 455600-025, 455600-001 |
Specifications
| ASHRAE Standard 52.1-1992 |
Metal Mesh |
Electrostatic |
| Airflow Rate |
1200 cfm |
1200 cfm |
| Initial Resistance |
0.07 in. w.g. |
0.09 in. w.g. |
| Final Resistance |
1.0 in. w.g. |
1.0 in. w.g. |
| Initial Atmospheric Dust Spot Efficiency |
76.9% |
86.5% |
| Average Atmospheric Dust Spot Efficiency |
14% |
57% |
| Average ASHRAE Dust Weight Arrestance |
76% |
96% |
| ASHRAE Dust Holding Capacity |
251g |
143g |
Electro-Static Prefilter
The Permatron prefilter significantly improves the capture of the larger 10+ micron particulate. By effectively removing this larger particulate, the collector cell more effectively captures the smaller particulate.
The improved capture of large particles will reduce the occasional spark. Also the need to wash the cells will be extended. The Permatron prefilter has a low 0.09 wg air resistance making it interchangeable with the metal mesh at 0.07 wg.
A quick cleaning of the prefilter is recommended once a month. Simply vacuum or rinse with a hose. Washing the cells would be recommended every 6 months.
Quality Construction
Permatron prefilters constructed with a rugged galvanized steel frame. The frames do not easily kink or push out of square. They are not flimsy like the Honeywell brand. The prefilter polypropylene weave is gripped solid by the steel frame. Very good quality.
Permatron filters are made in Illinois. The polypropylene, aluminum mesh and steel frame are all products of the USA.
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