Atlas Filtri Service KitsINSTALLATION & USESpare parts kit for the maintenance of your filer.The new spare parts kit for your filters comprises two o-rings and a single dose of LubriKit+.OptionsRE9020677 - PLUS 3P - For PLUS 3P, PLUS 3P SANIC, PLUS HOT 3P filter housings.RE9020676 - DP HYDRA - For DP, DP SANIC, K DP, HYDRA, HYDRA HOT, and HYDRA RAINMASTER filter housings.RE9020678 - DP BIG - For DP BIG, DP BIG SANIC, BIG F PRO filter housings.How to use Remove the old o-ring. Clean and inspect all components, including the new o-ring. Open the lubricant package by bending at the dotted line. Lubricate the o-ring with a light coating of food-grade lubricant (provided) Place the new o-ring in the sump groove and ensure it is properly seated.Warning Only genuine ATLAS FILTRI components and cartridges give you optimum performance. Always replace the o-ring when replacing the filter cartridge or when the sump is removed. Always lubricate new o-rings.