Mini-pleated air filter

WD-QBK series mini-pleated air filters are always used for pre-filtering of commercial and industrial air condition systems. The characters as follows: 1)large filtering area 2)lower resistance 3)high dirt holding 4)easily changed Operation conditions as follows: Max. working humidity:80% Suggestion end pressure:225pa Nominal thickness(″) Nominal size(″) Trim size(mm) Filter area(m²) Wind flow and resistance(m3/h Pa) Fold the number/feet 4″ 24*24*4 594 594 95 2.66 1700/18 3400/68 11 24*12*4 594 289 95 1.3. 850/18 1700/68 24*20*4 594 492 95 2.20 1420/18 2840/68 20*20*4 492 492 95 1.82 1180/18 2360/20 20*16*4 492 391 95 1.45 935/18 1870/68 25*20*4 619 492 95 2.30 1480/18 2960/68 25*25*4 619 619 95 2.90 1860/18 3720/68 2″ 24*24*2 594 594 45 1.75 1700/20 3400/70 15 24*12*2 594 289 45 0.85 850/20 1700/70 24*20*2 594 445 45 1.46 1420/20 2840/70 24*18*2 594 445 45 1.31 1275/20 2550/70 20*20*2 495 495 45 1.21 1180/20 1360/70 20*18*2 495 445 45 1.09 1.60/20 2120/70 20*16*2 495 394 45 0.97 935/20 1870/70 20*12*2 495 289 45 0.74 1480/20 2960/70 25*20*2 622 495 45 1.52 1325/20 2650/20 25*18*2 622 445 45 1.37 1180/20 2360/70 25*16*2 622 394 45 1.18 1180/20 2360/70 1″ 24*24*1 597 597 22 0.88 1190/20 2380/70 16 24*12*1 597 292 22 0.43 590/20 1190/70 24*20*1 597 495 22 0.74 995/20 1990/70 20*20*1 495 495 22 0.6 825/20 1650/70 20*16*1 495 394 22 0.48 660/20 1325/70 25*20*1 622 495 22 0.76 1035/20 2070/70 25*16*1 622 394 22 0.61 825/20 1650/70