The Pentair 174704 Tank O-Ring For Star & Mytilus Filters is a replacement O-ring. This pool O-ring is made out of a sturdy rubber that is designed to be an effective replacement for worn out and broken parts. The Pentair O-ring is a reliable part that is made to withstand high pressure and hold up under stress. It is important to replace your tank O-ring to keep your pool filter from leaking. 

Specifications:

• Brand: Pentair
• Model Number: 174704 
• Pack Size: 1
• Diameter: 12”
• Material: Rubber 

Compatible Filters:

The Pentair 174704 is the correct replacement for the following:

• Pentair Star polymeric pool and spa D.E. filter

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