Replacement Filters for the SimPure DB20P-3 3-Stage Whole-House System
SimPure DB20P-3
✅ Best value — replace everything at once
IPW 3-cartridge set — every replaceable stage in one order
✓ Guaranteed to fit your SimPure DB20P-3
📋 Typical replacement: sediment every 3–6 months · carbon every 6–12 months
1
PP spun sediment 5 micron
20×4.5 Big Blue
Replaces OEM DGD-5005-20 compatible
2
GAC granular carbon
20×4.5 Big Blue
Replaces OEM GAC-20BB
3
CTO carbon block
20×4.5 Big Blue
Replaces OEM FC25B/CTO-20BB
Not sure this is your system? Use the Isopure Water Filter Finder → Match by system name, by the part number on your cartridge, or by photo.
