Price History for 3.5 in. O.D. O-Ring Set (3-Pack) for 10 in. Standard Reverse Osmosis Filter Housings
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3.5 in. O.D. O-Ring Set (3-Pack) for 10 in. Standard Reverse Osmosis Filter Housings
The O-ring-set contains 3 pieces of 3.5 in. O.D. standard industry size O-ring use to prevent leaks when customer need to change 3 pre-filter of 10 in. standard under sink reverse osmosis system. Recommend to c
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 16, 2026 | $7.21 |
| Jul 15, 2026 | $8.99 |
| Jul 10, 2026 | $7.21 |
| Jul 9, 2026 | $8.99 |
| Jun 5, 2026 | $7.21 |
| Jun 3, 2026 | $6.98 |
| Mar 28, 2026 | $7.21 |
| Feb 19, 2026 | $6.00 |
| Dec 14, 2025 | $7.21 |
| Nov 13, 2025 | $7.21 |
| Nov 4, 2025 | $7.21 |
| Oct 17, 2025 | $7.21 |
Analysis
3.5 in. O.D. O-Ring Set (3-Pack) for 10 in. Standard Reverse Osmosis Filter Housings price analysis
Price analysis for 3.5 in. O.D. O-Ring Set (3-Pack) for 10 in. Standard Reverse Osmosis Filter Housings at Home Depot: Today's price is $7.21. Current price is 7% below the 90-day average of $7.77 (a $0.56 below the running mean).
- Currently listed at $7.21, which is $0.00 above the original MSRP of $7.21.
- Current price is 7% below the 90-day average of $7.77 (a $0.56 below the running mean).
- The lowest recorded price on PriceWatchPro was $6.00 on February 19, 2026. That's $1.21 below today's price.
- The highest recorded price on PriceWatchPro was $8.99 on July 9, 2026. Today's price is $1.78 below that peak.
- 30-day trend: trending down 19.8% from $8.99 to $7.21.
- Across 11 tracked price changes, the listing has dropped 3 times with an average drop of $1.59.
- PriceWatchPro has been tracking this listing since October 17, 2025 (294 days of price history).
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Snapshot
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