Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Something we hope you'll especially enjoy: FBA items qualify for FREE Shipping and Amazon Prime.If you're a seller, Fulfillment by Amazon can help you grow your business. Learn more about the program.Made from high-quality, durable silicone, our light lens gaskets are built to last in all types of pools and spas using all types of treatments. Produced to exact standards to match the 8-3/8" size required. Our light gaskets are compatible with all Pentair (TM) IntelliBrite (TM) lights, Pentair (TM) AmeriLite (TM) lights and Pentair (TM) SAM AmerLite (TM) lights. Equivalent to OEM model numbers 79101600Z (O-170 79101600). Our 2-pack of gaskets enables you to replace multiple gaskets at once or simply have another around in your kit as a spare. Either way, our 2-pack is priced at an excellent value. Nothing is more frustrating than changing your pool lights and finding water in the housing a few days later. Our gaskets create a tight seal to keep water away from your lights. This is a generic product manufactured and distributed by Impresa Products (TM). This is not a Pentair (TM) OEM product and Impresa Products has no affiliation with or endorsement from this brand. Our product is not covered under any other manufacturer's warranty (except for Impresa Products). The Pentair (TM) brand names and logos are the registered trademarks of their owners. Any use of the Pentair (TM) brand names, models or any other related designations are made solely for purposes of describing and illustrating compatibility.