PoolTone Pool Lens Gasket 8 1/2 inch diameter for Pentair 79101600Z AmerLite®

PoolTone Brand Blue Silicone Higher quality than competition Large pool size for Pentair® Amerlite® and SAM® lights and Pentair® Intellibrite® High quality Silicon Based Gasket Silicon based gaskets resist chlorine providing a much longer life OEM Replacement 8 1/2 Inches in Diameter We recommend replacing gaskets whenever you install a new bulb Gaskets loose elasticity and are unable to make a proper seal after approximately 3 months in a chlorine pool Chlorine in pool water degrades the gasket over time but silicon based gaskets resist degradation much better than rubber based gaskets Typical lifetime of this gasket is 5-10 years if opened and sealed correctly