Replacement Filters for the HydroLogic smallBoy (2-Stage Dechlorinator) Reverse Osmosis System
HydroLogic · Reverse Osmosis
Replacement Filters for the HydroLogic smallBoy (2-Stage Dechlorinator) Reverse Osmosis System
Every filter your system needs — stage by stage — using IPW / PureT cartridges that fit and cost less than the OEM parts.
Also sold as: HydroLogic smallBoy · smallBoy · small boy · HL dechlorinator
✓ Genuine-fit replacement filters
HydroLogic smallBoy (2-Stage Dechlorinator) Replacement Filters
Replace each stage below with the exact IPW / PureT part — a fraction of OEM cost.
Filters by stage
Replace each stage with the exact part below.
2
Green coconut carbon
coconut carbon block · 10×2.5 (dechlorinator)
Optional KDF85/catalytic upgrade for chloramine/well water (HydroLogic 10×3 — order genuine if your housing takes the fat 3" cart).
When to replace
🪣 Sediment & carbon: every 6–12 months💧 RO membrane: every 2–3 years
✓ Guaranteed to fit your HydroLogic smallBoy (2-Stage Dechlorinator).
Not sure this is your system? Use the Isopure Water Filter Finder → Match by system name, by the part number printed on your current filter, or by snapping a photo.
