Product Information Case: Case Qty: 6 pieces Material: Polyethersulfone/Polyproplyene/Silicone Select a Product Part NumberStyleCartridge Element LengthMicron Rating DF-PESE3E4SHard Cage/222/Closed10".22 DF-PESF3E4SHard Cage/222/Closed10".45 DF-PESE5E4SHard Cage/222/Closed20".22 DF-PESF5E4SHard Cage/222/Closed20".45 DF-PESE3E6SHard Cage/226/Fin10".22 DF-PESE5E6SHard Cage/226/Fin20".22 DF-PESF5E65Hard Cage/226/Fin20".45 DF-PESF3E65Hard Cage/226/Fin10".45 DF-PESE7E4SHard Cage/222/Closed30".22 DF-PESF7E6SHard Cage/226/Fin30".45 DF-PESF7E4SHard Cage/222/Closed30".45 DF-PESE7E6SHard Cage/226/Fin30".22