1.Perfect Compatibility: This pool light gasket is a direct replacement for Pentair 79101600Z, ensuring a secure and leakproof fit for Pentair Amerlite, Intellibrite, and SAM lights. Ideal for pool light housing in inground pools. 2. Durability: Crafted from pentairgrade silicone, this pentair pool light gasket withstands chlorine exposure, extreme temperatures, and UV rays, providing longterm waterproof protection for your inground pool light. 3.Precision Fit Dimensions: The inground pool light gasket measures 8 3/8 inches, ensuring a snug and reliable fit for your Pentair Amerlite pool light and Pentair Intellibrite pool light without compromising the seal quality. 4.LeakProof Seal: This pool light gasket replacement creates an airtight barrier, preventing moisture buildup and water damage. Say goodbye to leaky pool light fixtures with this trusted, highquality light gasket. 5. Maintenance: The flexible, snapon design allows for quick, tool installation. Simply replace your old pool light gasket to maintain optimal waterproofing and extend the life of your inpool lights. 6.Enhanced Protection for Pool Lights: This Pentair gasket replacement keeps dust, debris, and water from seeping into your pool light housing, ensuring consistent illumination and reducing maintenance costs over time.