43.27.00 Process Liquid Filters
43.27.73.13 Surface Liquid Filters
43.27.13 Cyclonic Liquid Filters 43.27.16 Centrifugal Horizontal Pressure Leaf Liquid Filters 43.27.19 Press Liquid Filters 43.27.23 Liquid Bag Filters 43.27.33 Mechanically Cleaned Liquid Filters 43.27.43 Tubular Backwashing Liquid Filters 43.27.53 Vacuum Belt Liquid Filters 43.27.63 Woven Media Liquid Filters 43.27.63.13 Disc Liquid Filters 43.27.63.23 Rotating Drum Liquid Filters 43.27.63.33 Layer Liquid Filters 43.27.63.43 Candle Liquid Filters 43.27.63.53 Vertical Leaf Liquid Filters 43.27.73 Nonwoven Media Liquid Filters 43.27.73.13 Surface Liquid Filters 43.27.73.23 Depth Liquid Filters