Pentair Clean & Clear Plus 320 sq ft Cartridge Filter
Best online buy — 320 sq ft, 4.6★ on a clean base, and the cheapest route to a full year of coverage online
🏆 Winner — The Best In-Ground Cartridge Pool Filters (2026): SwimClear vs Clean & Clear Plus vs Crystal Water
⚔️ Matchup — Pentair Clean & Clear Plus 320 sq ft Cartridge Filter vs Hayward SwimClear 325 sq ft Multi-Element Cartridge Filter
Specs
| Filter area | 320 sq ft |
| Elements | 4 (multi-element) |
| Pool type | In-ground |
| Warranty | 1 yr parts on the EC- (eCommerce) SKU. The plain TradeGrade SKU bought online gets 60 days. |
Pros
- 4.6★ across 139 owners — no free-product reviews among those we could read
- $160 under the comparable Hayward
- Price holds at $1,439 across Amazon and the dealers, so the number is real
- Four elements and a clamp ring owners consistently praise for access
Cons
- Buy the plain (non-EC) SKU online and coverage drops to 60 days — the prefix is the warranty
- Third-party seller, so authorized-reseller status still has to be confirmed
- No route to a multi-year term without registering with a qualified installer inside 60 days
Almost nothing — 4 critical reviews in 139, the second-lowest rate in the roundup
4 of 139 ratings are critical (2.9%); one owner reports two hairline cracks at the base after 18 months, which is the majors' version of the failure that disqualifies the cheap quads · critical reviews read August 2026
“Mine arrive broken like some have described. Pentair was good about replacing the broken part. Overall, very satisfied with the performance of the unit.”— Lou, Amazon · Verified owner
FAQ
Who is the Pentair Clean & Clear Plus 320 sq ft Cartridge Filter for?
You are buying online without an installer — the same one-year online warranty Hayward gives, for $160 less, on a base with no free-product reviews in it.
What do owners say about the Pentair Clean & Clear Plus 320 sq ft Cartridge Filter?
4.6★ across 139 owner ratings (Amazon, read August 2026). What owners complain about: Almost nothing — 4 critical reviews in 139, the second-lowest rate in the roundup
What is the warranty on the Pentair Clean & Clear Plus 320 sq ft Cartridge Filter?
1 yr parts on the EC- (eCommerce) SKU. The plain TradeGrade SKU bought online gets 60 days.
✓ Safety: no active recall — Pressure vessel — bleed the air relief valve and stop the pump before opening the clamp ring.
Size your pool first → ·All pool gear →
Data last verified: August 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.