What is the dimension of this oring?

I think its a 2-343. Just not sure. Take one the old o-rings to a hydraulic shop that repairs hydraulic cylinders. Its a standard 70 duro Buna-N oringThey will have a o-ring measuring devise too. I paid $6.81 which is not to bad. Or Go online to herculesus.com/ý they sell measuring tools and o-rings etc...

What are the dimensions of this o ring?

I'm showing an ID of 3.765" It works on the lid of the Pentair Chlorinator in question.

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💦 Seal the Deal with Quality!

EASY INSTALLATION - Quick and hassle-free setup to keep your chlorinator running smoothly.
COST EFFECTIVE 2 PACK - Get double the value without compromising on quality.
PERFECT FIT GUARANTEE - Designed specifically for Pentair Rainbow Models 300 and 320.
DURABLE BUNA N MATERIAL - Crafted for longevity, these O-rings resist wear and tear.
UPGRADE YOUR CHLORINATOR - Ensure optimal performance with TORK's precision-engineered O-rings.

The TORK Distributors 2-Pack Chlorinator Lid Replacement O-Rings are specifically designed for Pentair Rainbow Models 300 and 320. Made from durable Buna N material, these O-rings ensure a perfect fit and long-lasting performance, making them an essential upgrade for your chlorinator system.

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