Cartridge Filter Tank (24-96 sq ft)
Filters to 10-15 microns; most popular for LA pools; no backwashing (water conservation); cartridge replacement every 2-5 years ($150-300 each); tank lasts 10-15 years
Installed price$800–$1,800LA-area, parts and labor
Typical lifespan~10 yrswith regular care
Cost per year of life$80–$180price ÷ lifespan
Who usually installs it25% DIY · 75% pro
Most installs involve plumbing or electrical work. When wiring or gas lines are involved, call a licensed pro.
Common brandsPentairHayward ProSeriesJandy CLZodiac
Repair or replace?
A common rule: if a repair costs more than half the price of new, or the unit is in its last year or two of a ~10-year life, replacing is often the better value. Try the repair-or-replace calculator with your own quote. Ranges are LA-area estimates; see How We Estimate.
Models and variants
- Pentair Cartridge 360 FilterPentair · about $1200 · 3-yr warranty
Related repairs
Maintenance that protects it
Costs and calculators
- Pool ownership costs by pool type
- Filter Cartridge Replacement (per cartridge): $100–$300
- Filter Cleaning (professional service): $150–$300
- Robotic Cleaner Maintenance (annual cartridge replacement, repairs): $50–$300
- Annual Maintenance Cost Calculator
- Pool Running Cost Calculator
- Equipment Lifespan Calculator