Replacement Filters for the Pentek/Pentair Big Blue 20" Whole-House System

Pentek/Pentair Big Blue 20"

Pentek/Pentair Big Blue 20"

Pentek/Pentair · 1-stage · 20×4.5 Big Blue

✅ Best value — replace everything at once
IPW 1-cartridge set — every replaceable stage in one order
🛒 Add the complete set — $19.99
✓ Guaranteed to fit your Pentek/Pentair Big Blue 20"
📋 Typical replacement: sediment every 3–6 months
1
Sediment (dual-gradient spun) 5 micron
20×4.5 Big Blue
✓ IPW
IPW : SC45-20005 — Sediment (dual-gradient spun) 5 micron
$19.99
🛒 Add to cartdetails
Replaces OEM DGD-5005-20

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