2pcs R172009 O-Ring Replacement Compatible with Pentair Easy Installation

• Product Included: You will get 2 pieces of R172009 o-ring replacements. With these, you can easily replace old and damaged seals and quickly restore the pool pump to normal operation.
• Quality Material: The R172009 o-rings are made of good quality nitrile material. They are sturdy and durable, resistant to aging, and not easily deformed or broken, so you can use them with confidence.
• Product Size: The outer diameter of this R172009 o-ring is approximately 10.5cm/4.13in, and the inner diameter is approximately 9.5cm/3.74in. Please confirm the size and model you need before purchasing.
• Compatibility: Our R172009 o-rings are perfectly compatible with Model 300 & 320 pool and spa chlorinator lid. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits.
• Easy to Install: First, clean the outer cover. Then, apply a suitable amount of lubricant (excluding lubricant) to the O-ring. Finally, install the O-ring onto the outer cover, close the cover, and tighten it to complete the installation. No professional tools are required; the replacement can be easily completed in seconds.

Specification: Color: black Material: nitrile Product Size: outer diamete: 10.5cm/4.13in, inner diameter: 9.5cm/3.74in Package details: 2 x R172009 o-rings Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between different monitors, there may be a slight color difference existed.