Price History for 4.5 in. x 20 in. Whole House Anti-Scale Replacement Water Filter Cartridge Polyphosphate (2-Pack)
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4.5 in. x 20 in. Whole House Anti-Scale Replacement Water Filter Cartridge Polyphosphate (2-Pack)
Protect your home, health, and appliances by filtering your water. The Express Water Whole House Anti-Scale Polyphosphate Filter conditions water for drinking, showering, cooking, and other home uses. The PHO p
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 26, 2026 | $151.99 |
| Jul 24, 2026 | $125.99 |
| Jul 23, 2026 | $151.99 |
| Jul 16, 2026 | $125.99 |
| Jul 15, 2026 | $151.99 |
| Jul 1, 2026 | $125.99 |
| Jun 28, 2026 | $113.39 |
| Jun 27, 2026 | $125.99 |
| Jun 5, 2026 | $113.39 |
| Dec 14, 2025 | $125.99 |
| Dec 3, 2025 | $125.99 |
| Nov 21, 2025 | $125.99 |
| Nov 8, 2025 | $125.99 |
Analysis
4.5 in. x 20 in. Whole House Anti-Scale Replacement Water Filter Cartridge Polyphosphate (2-Pack) price analysis
Price analysis for 4.5 in. x 20 in. Whole House Anti-Scale Replacement Water Filter Cartridge Polyphosphate (2-Pack) at Home Depot: Today's price is $151.99. Current price is 15% above the 90-day average of $131.86 (a $20.13 above the running mean).
- Currently listed at $151.99, which is $26.00 above the original MSRP of $125.99.
- Current price is 15% above the 90-day average of $131.86 (a $20.13 above the running mean).
- The lowest recorded price on PriceWatchPro was $113.39 on June 5, 2026. That's $38.60 below today's price.
- The highest recorded price on PriceWatchPro was $151.99 on July 15, 2026.
- 30-day trend: essentially flat (less than 1% movement).
- Across 12 tracked price changes, the listing has dropped 4 times with an average drop of $19.30.
- PriceWatchPro has been tracking this listing since November 8, 2025 (276 days of price history).
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4.5 in. x 20 in. Whole House Anti-Scale Replacement Water Filter Cartridge Polyphosphate (2-Pack) shopping snapshot
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