Raytech-Ray-Gel-Raytech-Ray-Gel-1000-R-P-Red-Ray-Gel-has-been-specially-formulated-to-offer-UV-resistance-P-P-It-is-suitable-for-a-variety-of-surface-installations-and-is-ideal-for-use-with-intercom-systems-P-P-This-product-will-make-1-litre-of-gel-P-Raytech-Ray-Gel-1000-R-Ray-Gel-Red-2x-500ml-Bottles