1. With the blue caps in role wash the exterior of every fluoride filter out Elements with water and gentle dishwashing soap, then rinse. With clean hands, get rid of both blue caps from every single finish of either filter Elements. 2. Place the rubber priming button (tan colored) onto one end of a fluoride filter and align the opening of the clear out with the opening of the rubber washer. Press the priming button up opposed to the sink tap simply so the priming button creates a seal between the tap and the Fluoride Filter. Place your thumb on peak of the faucet to apply pressure, to create a extra in-depth seal (as seen in picture). 3. While retaining the priming button opposed to the faucet, turn on the bloodless water slowly, permitting water to fill the cavity of the filter and circulation from the alternative end. Allow water to move for at the very least 30 seconds or till water runs clear. 4. Turn the Fluoride filter out over and top the opposite end (reversing the flow of water) repeating steps 3-5 until water runs clean from both directions. 5. To opt if the filter out is totally primed, construct the filtered water in a transparent glass and keep it up to the sunshine to see if all of the cloudiness is long past from the water, if not continue priming till water is clear. This filter out is now primed and ready to install. Repeat priming steps 1-7 for each extra Fluoride Filter. Material: plastic colour: White Package Contents: 2 x Water Filter(Due to various product batches, the advent of the substances at the product could also be different, but this does not affect use) Only the above kit content, different merchandise should not included. Note: Light mirrored image and diverse reveals may cause the color of the object within the photograph just a little diverse from the genuine thing. The size allowed error is +/- 1-3cm.