Pentair 155015-43 Spun Bonded Cartridge Filter 25 Micron

Product Description

The PENTAIR 155015-43 is a spun bonded polypropylene cartridge filter designed for sediment reduction in residential and light commercial water filtration systems. With an outer diameter of 2.375 inches and a length of 9.875 inches, this cartridge fits standard 10-inch filter housings used across a wide range of point-of-entry and point-of-use applications. The polypropylene spun bonded construction provides a graduated density matrix that captures sediment particles at a 25 micron rating. Licensed plumbers and water treatment technicians are the primary installers for this type of filter cartridge.

This cartridge is suited for whole-house sediment prefiltration, irrigation prefiltration, and general-purpose water treatment applications where dirt, sand, silt, and rust particles need to be removed before water reaches downstream equipment. Its 25 micron rating makes it appropriate as a first-stage filter in multi-stage systems protecting softeners, reverse osmosis units, and other sensitive equipment from particulate fouling.

Key Features

• 25 micron filtration rating targets sediment including dirt, sand, silt, and rust
• Spun bonded polypropylene construction provides gradient density for extended service life
• 2.375 inch OD fits standard 10-inch filter housings without modification
• 9.875 inch length compatible with industry-standard sump housings
• Single-use cartridge design simplifies replacement and eliminates cleaning

Compatibility

Designed as an OEM-style replacement cartridge for standard 10-inch sump-style filter housings that accept a 2.375 inch OD cartridge format.

Installation Notes

Installation should be performed by a licensed plumber or qualified water treatment technician in accordance with local plumbing codes. Shut off the water supply and relieve system pressure completely before removing the filter housing. Inspect the housing o-ring for wear or damage and replace it if necessary before seating the new cartridge. Follow the housing manufacturer's torque guidance when reassembling the sump to prevent leaks.

Technical Specifications

• Micron Rating: 25 micron
• Outer Diameter: 2.375 inches
• Length: 9.875 inches
• Filter Media: Polypropylene spun bonded
• Application: Sediment reduction
• UPC: 051678015438

Standard Information

• Brand: PENTAIR
• Manufacturer Part Number: 155015-43