Keep your Pentair Big Blue system performing at peak efficiency with this Pentair BB #151122 replacement O-Ring. These durable O-rings create a watertight seal for Big Blue filter housings, helping prevent leaks, pressure drop, and system wear. Ideal for routine maintenance or keeping a spare set on hand.

Features:

• Compatible with Pentair Big Blue (BB) filter housings

• Official #151122 replacement O-ring

• Protects against leaks and system damage
  

• Recommended replacement during every filter change