Lightspeed Light Foul-Release Coating More Light. Less Fuss. The long-lasting protective coating for underwater lights.Dedicated to developing products that make the marine craft more efficient and economical to run and maintain. Fouling of running gear is a constant headache for boat owners around the world. Take control with Propspeed, the industry-leading foul-release coating. Propspeed is the cost-effective way to keep your marine vessel performing at its peak. Lightspeed is a foul-release coating designed to protect your underwater lights from marine growth. With the Propspeed promise of proven performance, you can trust Lightspeed to protect your lights for 1 - 2 years. Shine brighter, longer, with a lot less hassle. Our foul-release coatings are trusted by boat owners and captains worldwide.15ml Kit Covers Approximately 4 Lights Features:Lightspeed is a transparent coating that is an easy and affordable way for boat owners to reduce maintenance, protect their investment, and maintain lighting system performanceDon't risk damage to delicate components caused by scraping away hard marine growth! Protect your precious underwater lights and extend their life span with LightspeedLightspeed also promises worry-free 12-24 months with reduced maintenanceLightspeed protects your aesthetic features, while not interfering with the light transmittanceEndorsed and tested by Lumishore to ensure there is no drop in lumen output, no shift in color nor adverse effects on the lighting system performanceTrust Lightspeed to keep your lights shining bright while you enjoy your time on the waterPropspeedA(R)'s coating formula is proven effective on vessels around the globe15 ml tube covers 1 square foot of surface areaKit includes : 15 ml tube of Lightspeed(TM), Lightclean wipe and applicator brushThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.