Pentair R172664 DFM-L 25 Filter - 4 Pack

What This Part Is Used For
The Pentair R172664 DFM-L 25 Filter 4 Pack is used as replacement filter elements in compatible Pentair filtration systems. These cartridges help capture debris and maintain clear water circulation.

Why This Part Matters
Dirty or worn filter elements reduce flow and strain pumps. Replacing filters on schedule improves water clarity and system efficiency. A 4 pack allows full replacement during seasonal maintenance.

Key Features and Specifications

• Pentair manufacturer part number: R172664
• DFM-L 25 filter elements
• 4 Pack configuration
• Replacement cartridge style filters
• For compatible Pentair filtration systems

Installation and Fitment Guidance
Shut off pump and relieve system pressure before opening the filter. Inspect O-rings and clean housing during replacement. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair produces cartridge, sand, and DE filtration systems for residential and commercial pools. Genuine Pentair filter elements maintain original system flow and performance. Service professionals rely on correct cartridge sizing for consistent filtration.

Common Service Context
Filter cartridges are typically replaced during seasonal cleanings or when pressure rises significantly. This pack is often ordered for full filter rebuilds or annual service.