Price History for WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System
Close
WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System
Designed for the Waterdrop dual-flow tankless RO system WD-T4-A, this replacement filter bundle with RO membrane delivers a full year of cleaner, better-tasting water with fewer changes. It includes one 24-mont
Set Price Alert
Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jan 9, 2026 | $119.99 |
| Dec 18, 2025 | $119.99 |
| Dec 4, 2025 | $119.99 |
| Nov 21, 2025 | $119.99 |
Analysis
WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System price analysis
Price analysis for WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System at Home Depot: Today's price is $119.99. The lowest recorded price on PriceWatchPro was $119.99 on November 21, 2025. The current listing is at this all-time low.
- Currently listed at $119.99, which is $0.00 above the original MSRP of $119.99.
- The lowest recorded price on PriceWatchPro was $119.99 on November 21, 2025. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $119.99 on November 21, 2025.
- No meaningful price drops recorded in the tracked history — this listing has held steady or trended upward.
- PriceWatchPro has been tracking this listing since November 21, 2025 (263 days of price history).
Related
More Plumbing deals on Home Depot
Track price history on other items shoppers are watching in this category.
Support
Home Depot FAQs
Tips for tracking this Home Depot item with alerts and price history.
How do I track price drops for Home Depot?
Pick a target price on this page and save it. We will email you when this Home Depot listing drops below your goal.
Where can I review price history?
Check the price history chart on this page to compare today’s price against recent highs and lows before buying.
Can I edit or pause alerts later?
Yes. Edit, pause, or delete alerts anytime from your PriceWatchPro dashboard after you sign in.
Snapshot
WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System shopping snapshot
Track this Home Depot listing with real-time alerts, a full price history, and side-by-side savings tips.
Understand pricing trends
Use the chart above to see seasonal lows, promo spikes, and the average street price so you can time your purchase.
Set alerts that match your budget
Choose a target price and we will email you when WD-T4-RCAO Replacement Filter, Pack of 1 RO+ 2CF+1CB+1 Alkaline Filter, Replacement for WD-T4-A Tankless RO System dips below that number.
Shop confidently
Review specs, availability, and recent updates from Home Depot before jumping to the store page.