Light Lens Gasket for Pool Light, Silicone Seal Ring Key features Durable silicone material for long service life and reliable sealing performance Internal diameter 21.27 cm / 8.37 inch, designed to fit the specified pool light lens housing Direct replacement part for worn or damaged gaskets to restore a proper seal Part number 79101600Z O170 79101600 for easy identification and compatibility checking Available as a single gasket or a pack of two, depending on maintenance needs Why you need this gasket Prevents water intrusion into the pool light housing by restoring the original lens seal Extends the usable life of pool lighting components by replacing brittle or compressed gaskets Simple, cost effective maintenance item to reduce the risk of costly light repairs Performance and function Soft, flexible silicone maintains its shape under compression to create a consistent seal Resists deformation to provide stable sealing over repeated removal and reinstallation Sized to match the pool light lens opening for correct fit and sealing contact Typical applications an old or cracked gasket during routine pool light maintenance Reinstall a lens after bulb or trim replacement to ensure a watertight seal Keep a spare gasket on hand for seasonal pool opening and closing procedures Specifications Material: Silicone Internal diameter: 21.27 cm / 8.37 inch Part number: 79101600Z O170 79101600 Compatibility: Suitable for Pool Light Package options 1x Light Lens Gasket or 2x Light Lens Gaskets Note Please allow a slight measurement variation of 12 cm due to manual measurement.