Hayward SwimClear 425 sq ft Multi-Element Cartridge Filter
Size up — 425 sq ft — the middle of the SwimClear ladder
How to read a Showdown Score™
The only score that counts how often a product breaks, not just how owners feel about it.
- Three parts add up to the score: what owners rate it, how often it fails them, and whether a credentialed tester backed it.
- Bands: Exceptional 8.5 and up, Excellent 7.5, Very good 6.5, Good 5.5, Fair 4, Poor below 4. Every score is dated.
- Price, the warranty and what a link pays us stay out of it.
Very good
Very good is 6.5 to 7.4.
See why it scored 6.5
Contender — The Best In-Ground Cartridge Pool Filters (2026): SwimClear vs Clean & Clear Plus vs Crystal Water
⚔️ Matchup — Hayward SwimClear 425 sq ft Multi-Element Cartridge Filter vs Waterway Crystal Water 425 sq ft Cartridge Filter
Specs
| Filter area | 425 sq ft |
| Elements | 4 (multi-element) |
| Pool type | In-ground |
| Warranty | 1 yr parts, no labor on the W3 (Open Line) SKU sold online — the dealer-only non-W3 is listed at 3 yr parts + 1 yr field labor, but the manual in the box says 1 yr. Get the term in writing. |
Pros
- 425 sq ft of dirt capacity for long cycles
- Same four-element construction as the rest of the line
Cons
- Its rating is POOLED with the 525 — both read 4.5★/244, so the number does not describe this size alone
- Waterway's 425 costs $539 less for the same filter area
- Strap-wrench lid, same as the rest of the line
Shipping damage and non-genuine cartridges — 12 critical reviews across the 244-rating base it shares with the 525
12 critical across the 244 ratings this shares with the 525 (4.9%); mostly shipping damage and non-genuine cartridges supplied with the unit · critical reviews read August 2026
“This is so much better than our old sand filter. The water is very clear and changing out the cartridges is way easier than changing out the sand on the sand filter. I would definitely recommend.”— Valerie, Amazon · Verified owner
FAQ
Who is the Hayward SwimClear 425 sq ft Multi-Element Cartridge Filter for?
Your pool has outgrown a 325 and you want Hayward's build, with the pooled-rating caveat understood.
What do owners say about the Hayward SwimClear 425 sq ft Multi-Element Cartridge Filter?
4.5★ across 244 owner ratings (Amazon, read August 2026 · listing-wide base). What owners complain about: Shipping damage and non-genuine cartridges — 12 critical reviews across the 244-rating base it shares with the 525
What is the warranty on the Hayward SwimClear 425 sq ft Multi-Element Cartridge Filter?
1 yr parts, no labor on the W3 (Open Line) SKU sold online — the dealer-only non-W3 is listed at 3 yr parts + 1 yr field labor, but the manual in the box says 1 yr. Get the term in writing.
Warranty — and what changes if you buy it on Amazon
1 yr parts, no labor on the W3 (Open Line) SKU sold online — the dealer-only non-W3 is listed at 3 yr parts + 1 yr field labor, but the manual in the box says 1 yr. Get the term in writing. · you are buying this on Amazon
Read it yourself: Hayward warranty document · we read it . Terms change without announcement, so treat this as a dated snapshot. How warranty works by buy path →
✓ Safety: no active recall — Pressure vessel — never open the clamp with the pump running or the system under pressure. Release the air relief valve first.
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.