a for pool lighting system with this 4-pack of Lens Gaskets, designed to be compatible for models 79108500 & 79108500Z. These gaskets are precisely engineered to match the specifications of your SpaBrite, SAL Spectrum AquaLight, and IntelliBrite spa lights. Designed for compatibility with Aqualight 12 & 120V 77 SERIES Halogen Models, these Lens Gaskets offer a seamless fit and easy installation, ensuring your pool lights are securely sealed and protected from water damage. Measuring approximately 4.25 inches in outside dimensions, these lens gaskets are crafted to provide a snug fit, enhancing the waterproof integrity of your pool or spa lighting fixtures and extending their lifespan. Optimize the performance and durability of your pool or spa lights with these high-quality Lens Gaskets. Their robust construction prevents water ingress, protecting the delicate internal components of your lights from and damage. Colour:As Shown Material:rubber Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 4 * Lens Gasket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.