Price History for RT-ALK Filter, Replacement for T4-A Tankless Reverse Osmosis System, Pack of 2, 12-month Lifetime
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RT-ALK Filter, Replacement for T4-A Tankless Reverse Osmosis System, Pack of 2, 12-month Lifetime
Waterdrop RT-ALK Filter. Replacement for Waterdrop T4-A Tankless Reverse Osmosis System. Pack of 2 Alkaline Filter, 12-month Lifetime each.
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 5, 2026 | $54.58 |
| Jul 29, 2026 | $56.22 |
| Jul 6, 2026 | $54.58 |
| Jun 27, 2026 | $51.98 |
| Jun 7, 2026 | $51.98 |
| Jun 2, 2026 | $51.98 |
| May 10, 2026 | $51.98 |
Analysis
RT-ALK Filter, Replacement for T4-A Tankless Reverse Osmosis System, Pack of 2, 12-month Lifetime price analysis
Price analysis for RT-ALK Filter, Replacement for T4-A Tankless Reverse Osmosis System, Pack of 2, 12-month Lifetime at Home Depot: Today's price is $54.58. Current price is 2% above the 90-day average of $53.55 (a $1.03 above the running mean).
- Currently listed at $54.58, which is $2.60 above the original MSRP of $51.98.
- Current price is 2% above the 90-day average of $53.55 (a $1.03 above the running mean).
- The lowest recorded price on PriceWatchPro was $51.98 on May 10, 2026. That's $2.60 below today's price.
- The highest recorded price on PriceWatchPro was $56.22 on July 29, 2026. Today's price is $1.64 below that peak.
- 30-day trend: trending down 2.9% from $56.22 to $54.58.
- Across 6 tracked price changes, the listing has dropped 1 times with an average drop of $1.64.
- PriceWatchPro has been tracking this listing since May 10, 2026 (100 days of price history).
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RT-ALK Filter, Replacement for T4-A Tankless Reverse Osmosis System, Pack of 2, 12-month Lifetime shopping snapshot
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