Viledon Medium Efficiency Pre-Filters 
  MP30 - 2" MP30 - 4" R-1/ES3 F45S
Rated Air Flow (cfm) 2000 2000 2000 2000
Initial Resistance (in. w.g.) 0.34 0.28 0.29 0.24
Average Assertance (%)* 93 93 90 96
Final Resistance (in. w.g.) 1.0 1.0 1.0 1.50
Max. Temperature (ºF) 160, peaks 200 160, peaks 200 212, peaks 200 160, peaks 200
UL 900 Classification Class 2 Class 2 Class 2 Class 2
Depth(in) 2 4 15 13
Size Availability Various Various 1/1, 1/2, 5/5,
5/6, 5/7		 1/1, 1/2, 5/6

 

* According to ASHRAE 52.1 - 1992

 

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