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2” Performance Data




              SIZE           SIZE         RATED       INITIAL MEDIA               SIZE        RATED        INITIAL
            W x H x D      W x H x D    VELOCITY RESIST. SQUARE                 W x H x D    VELOCITY      RESIST.
            NOMINAL         EXACT          FPM        IN. W.G.      FOOT        NOMINAL         M/H       PASCALS
                                                                                  MM
            10 x 10 x 2 9-5/8 x 9-5/8 x 1-5/8500        0.28         0.69      254 x 254 x 519150            69.74
                                            500
            10 x 20 x 29-5/8 x 19-5/8 x 1-5/8           0.28         1.38      254 x 508 x 519150            69.74
            12 x 24 x 2 11-3/8 x 23-3/8 x 1-5/8500      0.28         2.00      305 x 610 x 519150            69.74
            14 x 20 x 2 13-5/8 x 19-5/8 x 1-5/8500      0.28         1.94      356 x 508 x 519150            69.74
                                            500
            14 x 25 x 2 13-5/8 x 24-5/8 x 1-5/8         0.28         2.43      356 x 635 x 519150            69.74
            15 x 20 x 2 14-5/8 x 19-5/8 x 1-5/8500      0.28         2.08      381 x 508 x 519150            69.74
            16 x 16 x 2 15-5/8 x 15-5/8 x 1-5/8500      0.28         1.78      406 x 407 x 519150            69.74
            16 x 20 x 2 15-5/8 x 19-5/8 x 1-5/8         0.28         2.22      406 x 508 x 519150            69.74
                                            500
            16 x 24 x 2 15-5/8 x 23-5/8 x 1-5/8500      0.28         2.67      406 x 610 x 519150            69.74
            16 x 25 x 2 15-5/8 x 24-5/8 x 1-5/8500      0.28         2.77      406 x 635 x 519150            69.74
                                            500
            18 x 24 x 2 17-5/8 x 23-5/8 x 1-5/8         0.28         3.00      457 x 610 x 519150            69.74
            20 x 20 x 2 19-5/8 x 19-5/8 x 1-5/8500      0.28         2.77      508 x 508 x 519150            69.74
            20 x 24 x 2 19-3/8 x 23-3/8 x 1-5/8500      0.28         3.33      508 x 610 x 519150            69.74
                                            500
            20 x 25 x 2 19-5/8 x 24-5/8 x 1-5/8         0.28         3.47      508 x 635 x 519150            69.74
            24 x 24 x 2 23-3/8 x 23-3/8 x 1-5/8500      0.28         4.00      610 x 610 x 519150            69.74
            25 x 25 x 2 24-5/8 x 24-5/8 x 1-5/8500      0.28         4.34      635 x 635 x 519150            69.74
         Tolerances shall be +/- 1/8” for height and width.  All special sizes will be undersized 1/8” unless specified otherwise. Recommended final resistance is 0.50” in. w. g.





                                                  STANDARD PRESSURE DROP
                                                      Test Filter Size 24” x 24” Nominal
                                          RESISTANCE IN. W.G.  0.30
                                            0.35



                                            0.25
                                            0.20
                                            0.15

                                            0.10
                                            0.05
                                             0
                                               250       300 350        400        450       500
                                                       AIR FLOW RATE, (FPM)

                                                     1” GDS                2” GDS











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