For 150 sq ft pool filters, the Pureline PL0166 offers a high‑value alternative to the Hayward® SwimClear C150S, delivering reliable filtration at a fraction of the OEM price. While both fit the SwimClear C150S systems, the PL0166 stands out for its affordability, compatibility, and easy maintenance, making it a smart choice for pool owners looking to balance performance and cost. Let’s take a closer look at these two cartridges and see how they stack up:
Pureline Aftermarket Cartridge PL0166
- Less than half the price compared to the OEM
- Available as a 2-pack for a bulk option that is even more cost-effective
- Engineered for durable, high-efficiency filtration
- Fits perfectly, as it’s manufactured according to precise OEM specifications

Hayward C150 Replacement Filter Cartridge

- More than double the price of the PL0166
- Engineered for durable, high-efficiency filtration
- Original Manufacturer part
How Does This Cartridge’s Price Compare to the OEM Hayward® Swimclear C150S Cartridge?
The main difference between these two replacement cartridges is the price. While both offer excellent, long-lasting filtration, the Pureline cartridge costs less than half the price of the original manufacturer’s version. Pureline is well-known for providing high-quality aftermarket products at a great value, so you can save money while not compromising on performance.
Can I Buy a Multi-Pack to Save Money?
Absolutely, we offer a value 2-pack of the PL0166, which can be more cost-effective and convenient for keeping a spare on hand. In fact, you would be able to purchase a two-pack of our cartridges and still have money left over to buy dinner, compared to purchasing just one of the OEM cartridges. How’s that for money saving?
Is This Filter Compatible With the Hayward® Swimclear C150S – CX150XRE?
Yes. The Pureline PL0166 cartridge is compatible with the Hayward® SwimClear C150S and is engineered to match the same dimensions, fit, and performance specifications. This cartridge is also compatible with equivalent cartridges from other brands, including Unicel (C-9411), Filbur (FC-1266) and Pleatco (PA150S). It installs easily without any modifications and works seamlessly with SwimClear C150S filter systems.
Cartridge Specs for the PL0166 (C150S /CXC150XRE)
- Filtration Area: 150 sq. ft.
- Length: 23-1/8 in.
- Diameter: 10-1/4 in.
- Top Inside Diameter: 4 in.
- Bottom Inside Diameter: 4 in.
- Top Style: Open
- Bottom Style: Open
How Often Should You Replace Your PL0166/C150S Cartridge?
To keep your pool water consistently clean, reduce energy consumption, and prevent unnecessary strain on your pump, we recommend a regular cartridge replacement schedule. For single-cartridge systems, replacement is typically needed every 6-12 months. For multi-cartridge systems, replacement is generally required every 3 years, assuming normal usage and water conditions. You will know it is time to replace your cartridge if the pool water appears cloudy or dull, the filter pressure readings are higher than normal, or the return flow from the pool jets is weak.
We offer a variety of helpful resources to assist you. Check out the how-to guides below for more information on determining the best time to replace your cartridge:
- 5 Signs You Need to Replace Your Filter Cartridge
- When To Replace A Pool Filter Cartridge?
- How To Clean A Pool Filter Cartridge
Do Customers Recommend the Pureline PL0166 Cartridge?
Our customers love this cartridge, and it consistently earns a perfect 5-star rating. Pool owners often report that this cartridge fits well, is easy to install, and works effectively, sometimes even outperforming more expensive alternatives. In their review, one customer said:
“Perfect replacement; lasts longer than others I’ve used.”
Another customer said:
“It was exactly what we needed at an affordable price. Shipping was very fast too. Will be buying from here again.”
Why Choose the PL0166?
The Pureline PL0166 offers excellent value by providing high-quality filtration at a lower cost than the OEM cartridge. Many pool owners choose Pureline to save money without sacrificing compatibility, durability, or water clarity, making it a cost-effective alternative and the perfect choice for your next pool project!
If you have any more questions on the PL0166, please feel free to reach out via chat, support ticket, or at our customer service line at 407-834-2200.












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