Price History for 4000 Series 4-15/16 in. Dia x 13-5/16 in. 50 sq. ft. Replacement Filter Cartridge with 2-1/8 in. Opening
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4000 Series 4-15/16 in. Dia x 13-5/16 in. 50 sq. ft. Replacement Filter Cartridge with 2-1/8 in. Opening
Unicel 4000 Series 50 sq. ft. Replacement Filter Cartridge is the replacement cartridge. It offers filtration and better water clarity. More cartridge pleats mean improved filter capacity. The polyester cartrid
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 2, 2026 | $35.99 |
| May 13, 2026 | $32.14 |
| Apr 16, 2026 | $34.19 |
| Mar 23, 2026 | $35.99 |
| Mar 7, 2026 | $32.98 |
| Mar 6, 2026 | $35.99 |
| Feb 15, 2026 | $29.71 |
| Feb 14, 2026 | $32.14 |
| Feb 13, 2026 | $29.71 |
| Feb 11, 2026 | $44.99 |
| Dec 14, 2025 | $29.45 |
| Nov 16, 2025 | $29.45 |
| Nov 7, 2025 | $29.45 |
| Oct 18, 2025 | $29.45 |
Analysis
4000 Series 4-15/16 in. Dia x 13-5/16 in. 50 sq. ft. Replacement Filter Cartridge with 2-1/8 in. Opening price analysis
Price analysis for 4000 Series 4-15/16 in. Dia x 13-5/16 in. 50 sq. ft. Replacement Filter Cartridge with 2-1/8 in. Opening at Home Depot: Today's price is $35.99. Current price is 6% above the 90-day average of $34.07 (a $1.92 above the running mean).
- Currently listed at $35.99, which is $6.54 above the original MSRP of $29.45.
- Current price is 6% above the 90-day average of $34.07 (a $1.92 above the running mean).
- The lowest recorded price on PriceWatchPro was $29.45 on October 18, 2025. That's $6.54 below today's price.
- The highest recorded price on PriceWatchPro was $44.99 on February 11, 2026. Today's price is $9.00 below that peak.
- Across 13 tracked price changes, the listing has dropped 5 times with an average drop of $4.91.
- PriceWatchPro has been tracking this listing since October 18, 2025 (294 days of price history).
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Snapshot
4000 Series 4-15/16 in. Dia x 13-5/16 in. 50 sq. ft. Replacement Filter Cartridge with 2-1/8 in. Opening shopping snapshot
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