This part is a Jacuzzi or Sundance Spa 3 7/8" Gasket found on Light Lenses, Jets and More
The hole size is 3 1/8".
This fits only Jacuzzi and Sundance Hot Tubs that fit these measurements.
The reason they are replaced is due to extreme Chemical damage that causes them to crack and leak. Please verify your hole size before ordering.
If you need silicone for this Lense Click this link and add to cart: 2.8oz Silicone in Tube
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