Pentair CNC Plus Cartridge

These cartridges are specifically engineered for the Clean and Clear Plus 240 system. Please verify your filter model number to ensure it matches the R173572 specification before purchasing.

OEM cartridges are manufactured by Pentair to meet exact factory specifications, ensuring a secure seal and proper flow rates. Using genuine parts helps maintain your system's performance and ensures compliance with NSF/ANSI Standard 50.

This 4-pack provides a combined total of 240 square feet of filtration area. This capacity is designed to handle the debris load of standard in-ground pool systems.

While the lifespan depends on your pool's usage and water chemistry, most cartridges require replacement every 12 to 18 months. You should inspect them periodically for signs of wear or reduced water flow.

Yes, the polyester material is designed to be cleaned periodically using a gentle spray from a garden hose. However, they will eventually lose their filtration efficiency and will need to be replaced to maintain water clarity.