Price History for 4-Layer High Capacity Under Sink Water Filter, Reduces Lead, PFAS, PFOA/PFOS, Chlorine, Bad Taste and Odor
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4-Layer High Capacity Under Sink Water Filter, Reduces Lead, PFAS, PFOA/PFOS, Chlorine, Bad Taste and Odor
Transform your drinking water with the iSpring US21B-CPB Under Sink Water Filter System, featuring a 4-layer deep filtration process that effectively reduces PFAS, lead, chlorine, and other contaminants. With a
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 9, 2026 | $252.86 |
| Jul 8, 2026 | $251.99 |
| Jul 5, 2026 | $252.86 |
| Jul 1, 2026 | $247.99 |
| May 4, 2026 | $252.86 |
| Apr 1, 2026 | $256.99 |
| Mar 30, 2026 | $212.40 |
| Feb 15, 2026 | $256.99 |
| Feb 12, 2026 | $259.99 |
| Feb 10, 2026 | $248.54 |
| Dec 28, 2025 | $259.99 |
| Dec 24, 2025 | $239.99 |
| Dec 14, 2025 | $212.42 |
| Nov 10, 2025 | $212.42 |
| Nov 7, 2025 | $212.42 |
| Oct 31, 2025 | $212.42 |
Analysis
4-Layer High Capacity Under Sink Water Filter, Reduces Lead, PFAS, PFOA/PFOS, Chlorine, Bad Taste and Odor price analysis
Price analysis for 4-Layer High Capacity Under Sink Water Filter, Reduces Lead, PFAS, PFOA/PFOS, Chlorine, Bad Taste and Odor at Home Depot: Today's price is $252.86. Current price is 1% above the 90-day average of $251.43 (a $1.43 above the running mean).
- Currently listed at $252.86, which is $40.44 above the original MSRP of $212.42.
- Current price is 1% above the 90-day average of $251.43 (a $1.43 above the running mean).
- The lowest recorded price on PriceWatchPro was $212.40 on March 30, 2026. That's $40.46 below today's price.
- The highest recorded price on PriceWatchPro was $259.99 on December 28, 2025. Today's price is $7.13 below that peak.
- Across 15 tracked price changes, the listing has dropped 6 times with an average drop of $11.49.
- PriceWatchPro has been tracking this listing since October 31, 2025 (280 days of price history).
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