Price History for WD-T4-A Alkaline pH Plus Undersink RO Filtration System 10-Stage 450GPD Extra 1-Year Combo Filter (2CF, 1CB Plus 1ALK)
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WD-T4-A Alkaline pH Plus Undersink RO Filtration System 10-Stage 450GPD Extra 1-Year Combo Filter (2CF, 1CB Plus 1ALK)
Waterdrop WD-T4-A Alkaline pH plus Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 10-Stage, 450GPD Tankless Under sink RO Filtration System, 2:1 Pure to Drain, BPA Free, Plug-in required Waterdrop WD-T4-
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 7, 2026 | $327.98 |
| Jun 15, 2026 | $351.18 |
| Jan 18, 2026 | $407.98 |
| Dec 27, 2025 | $407.98 |
| Dec 13, 2025 | $407.98 |
| Nov 24, 2025 | $407.98 |
Analysis
WD-T4-A Alkaline pH Plus Undersink RO Filtration System 10-Stage 450GPD Extra 1-Year Combo Filter (2CF, 1CB Plus 1ALK) price analysis
Price analysis for WD-T4-A Alkaline pH Plus Undersink RO Filtration System 10-Stage 450GPD Extra 1-Year Combo Filter (2CF, 1CB Plus 1ALK) at Home Depot: Today's price is $327.98. That's 20% off the MSRP of $407.98. Current price is 3% below the 90-day average of $339.58 (a $11.60 below the running mean).
- The current price of $327.98 is 20% (or $80.00) below the MSRP of $407.98.
- Current price is 3% below the 90-day average of $339.58 (a $11.60 below the running mean).
- The lowest recorded price on PriceWatchPro was $327.98 on August 7, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $407.98 on November 24, 2025. Today's price is $80.00 below that peak.
- Across 5 tracked price changes, the listing has dropped 2 times with an average drop of $40.00.
- PriceWatchPro has been tracking this listing since November 24, 2025 (256 days of price history).
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WD-T4-A Alkaline pH Plus Undersink RO Filtration System 10-Stage 450GPD Extra 1-Year Combo Filter (2CF, 1CB Plus 1ALK) shopping snapshot
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