Replacement Filters for the Bluonics 3-Stage 20" Big Blue Whole-House System

Bluonics 3-Stage 20" Big Blue

Bluonics 3-Stage 20" Big Blue

Bluonics · 3-stage · 20×4.5 Big Blue

✅ Best value — replace everything at once
IPW 2-cartridge set — every replaceable stage in one order
🛒 Add the complete set — $58.19
✓ Guaranteed to fit your Bluonics 3-Stage 20" Big Blue
📋 Typical replacement: sediment every 3–6 months · carbon every 6–12 months
1
String-wound sediment 20 micron
20×4.5 Big Blue
SWC-45-2020
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2
CTO carbon block 5 micron
20×4.5 Big Blue
✓ IPW
IPW (1) HQCBC-20BB-5 — CTO carbon block 5 micron
$34.00
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3
Melt-blown sediment 1 micron
20×4.5 Big Blue
✓ IPW
Hydronix SDC-45-2001 — Melt-blown sediment 1 micron
$24.19
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