Feature●HDX HDX4PF4 Compatible Pleated High Flow Whole House Water Filter: Reduces Sediment - 30 Micron Water Filters 2 Pack by CFS●Universal Fit - Fits Glacier Bay high flow basic filtration systems HDG4HS4 and all major brands of large capacity household water filtration systems●Reduces sediment, NSF certified●Replace this filter every 3 monthsDescription