Key benefits Primes fluoride filter Elements to ensure water flow and remove air pockets, improving overall filtration performance. Reversible priming process flushes from both ends for thorough cleansing and consistent output. Simple, seal driven operation using the tan colored rubber priming button and a rubber washer to create a secure fit at the faucet. Easy exterior cleaning workflow with blue caps in place, using mild soap and water, then rinsed away. Tool setup that can be performed at most standard kitchen faucets, supporting reliable maintenance of fluoride filter Elements. What you will need and what it works with Fluoride filter Elements Blue caps (included for cleaning) Tan colored rubber priming button Rubber washer Faucet connection for sealing during priming How to use Clean exterior With the blue caps in place, wash the exterior of each Fluoride filter Element with water and mild dishwashing soap. Rinse thoroughly. With clean hands, remove both blue caps from each end of both filter Elements. Prime one end Place the tan colored rubber priming button onto one end of a Fluoride filter Element. Align the hole of the filter with the hole of the rubber washer. Press the priming button up against the sink faucet to create a seal between the faucet and the Fluoride Filter. Place your thumb on of the faucet to apply pressure and improve the seal. Flush and seal While holding the priming button against the faucet, turn on the cold water slowly. Allow water to fill the cavity of the filter and to flow from the opposite end. Run until the water runs clear. Prime the opposite end Turn the Fluoride filter over and prime the opposite end, reversing the flow of water. Repeat the priming and flushing process until water runs clear from both directions. Specific use scenarios Initial setup after installing Fluoride Filter Elements in a drinking water system. This priming procedure ensures air is removed and flow is optimized before use. Routine maintenance or filter replacement when the system has been opened for service. Priming and flushing help maintain consistent filtration performance. Preuse flushing for systems that require immediate, clean water delivery after installation or after long periods of inactivity to verify clear flow from both ends.