Why it matters
The TOREAD TRF-8417 Pool Filter Cartridge is a replacement pool filter cartridge that its listing says replaces PA175, Hayward CX1750RE, Unicel C-8417, Ultral-B4, with 175 sq ft of media.
1 other cartridges we cover name at least one of the same part numbers: Unicel C-8417 Pool Filter Cartridge. Compare filter area and pack size before choosing.
Match the part number on your old cartridge or filter housing first; if it has worn off, measure length, outside diameter and both center holes. A cartridge that is close but not exact can let dirty water bypass its seals.
The listing gives a weight of 1 pound.
Who it's for, and who should skip it
Good fit if
- Pool cartridge filters
- Owners with the original part number
Look elsewhere if
- Filters with a different part number
Pros and cons
Pros
- Replaces PA175, Hayward CX1750RE, Unicel C-8417, Ultral-B4
- 175 sq ft of media
Cons
- Check length and hole sizes against your old cartridge
- Third-party cartridges rely on the seller's fit statement
Limitations to weigh
- Specifications are the maker's or seller's own; check fit against your equipment's manual and part numbers.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Product weight | 1 lb | Retailer |
|---|---|---|
| Model number | TRF-8417 | Retailer |
| Replaces | PA175, Hayward CX1750RE, Unicel C-8417, Ultral-B4 | Retailer |
| Filter area (maker) | 175 sq ft | Retailer |
Alternatives worth comparing
More pool and spa filter cartridges we cover
- Unicel C-8409 Pool Filter Cartridge
- TOREAD TRF-9415 Pool Filter Cartridge
- Unicel C-8412 Pool Filter Cartridge
- Pleatco PA120 Pool Filter Cartridge
All pool and spa filter cartridges, compared in one table · Every TOREAD product we cover
Final verdict
A solid pool cartridge for pool cartridge filters.
Where to buy
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