Answered from our dataUpdated September 25, 2026
How long do UV filters last?
Of the 35 systems with a UV stage we list, 34 state a filter life; the most common is 6-12 months (28).
This counts every system with a UV stage.
One has no filter life on file.
- 35 products behind this answer
- 6 categories
- 11 brands
- updated September 25, 2026
Counted from the filter life each maker states. How we score and check
By category
Where the products behind this answer sit. Each links to that category's ranked list.
- Specialty 10
- Reverse Osmosis 10
- Well Water 5
- Whole House 4
- Combo Systems 3
- Water Softeners 3
Filter life, as the makers state it
- 6-12 months 28
- Under 6 months 5
- Not consumed 1
The 35 products behind this answer
Best overall score first. Each links to its full review, where the score is broken down.
- Kind Water Systems10here
- Express Water4here
- Aquasure4here
- iSpring4here
- APEC Water Systems2here
- US Water Systems1here
- Waterdrop1here
- WaterChef2here
- SpringWell1here
- Aquasana4here
- Crystal Quest2here
Some links on this page earn us a commission. It never affects our scores or rankings. How this works
27th of 33 in Well Water
6-12 months
29th of 33 in Well Water
6-12 months
53rd of 55 in Whole House
Under 6 monthsWhat this means
- It is the maker's figure. For the part you replace most often.
- Hard or dirty water shortens it. Expect less if your water is rough.
- A guide, not a promise. Read it as the figure for ordinary water.
The ranked lists
Every product we score in these categories, in order, with the reasons for each place.
2
3
The best reverse osmosis systems
First: Waterdrop G3P600. Top 10 of 69 scored, 17 September 2026.
See the ranking
1
2
3
The best well water filtration systems
First: US Water Systems Matrixx inFusion. Top 10 of 33 scored, 17 September 2026.
See the ranking
1
2
3
The best whole house water filters
First: Kind Water E-1000UV. Top 10 of 55 scored, 17 September 2026.
See the ranking
1
2
3
The best water softener and filter combos
First: US Water Systems Bodyguard + Matrixx Combo. Top 3 of 12 scored, 17 September 2026.
See the ranking
Compare them head to head
Comparisons in Specialty between products and brands in this answer.
Related questions
- How long do reverse osmosis filters last? Of the 69 reverse osmosis systems we list, 64 state a filter life; the most common is 6-12 months (62).
- How long do water softener filters last? Of the 35 water softeners we list, 28 state a filter life; the most common is 6-12 months (14).
- How long do shower filters last? Of the 15 shower and faucet filters we list, 14 state a filter life; the most common is 6-12 months (9).
Counted from our data September 25, 2026 · How we score · All answers