... -cartridge filter housing 1.high efficiency and economical 2.V Clamp or Swing Bolt Construction 3.Cartridge : 3-120pcs Cartridge Filter ... for easy piping; Threaded or flanged inlet and outlet options; Clamp joints with compression O-rings at the bowl ensures seal ... (A)-(B)(C)-S(D)-(E)-(F)-(G) (A): C ( Band Clamp ) B ( Swing Bolt ) (B): 3,5,7,9,......,120 Cartridges ...