-Please ensure that you completed the verification of the existing filter before proceeding with your order! Please make sure to examine the product images! -Compatible Replacement Ionizer Filter compatible with HG MW-7000 -Using high-quality material only. -Filter replacement interval: Approx. 6 months (depending on the water quality) -Filtration Capacity: 12,000L (depending on the water quality) -Compatible with HG original type machines using MW-7000, *This is a compatible replacement filter made by Korean manufacturer; Made in Korea; *This filter is NOT compatible with the newer machines (Sold after Dec. 31, 2010) which use HG-N filter. The HG-N type filter has TWO notches (indents) on the centered hole of filter and machine. PLEASE CHECK FIRST YOUR OLD FILTER AND MACHINE! Use the Cleaning Cartridge every 6 months to maintain the performance of ionizers. 1. Power off the unit and unplug it. (Be certain to shut off the faucet. Never power on the unit during cleaning procedure.) 2. Remove the filter (Check if both o-rings were removed from the filter base.) 3. Install the cleaning cartridge. 4. Place the flexible hose and the secondary hose into a cup. 5. Turn on the faucet until both of the hoses are fully submerged. 6. Leave the unit sitting for 3~5 hours. (Best to sit overnight) 7. Return the flexible hose and the secondary hose to their positions. 8. Turn the water on and let run for 5~10 minutes. 9. Turn off the water. 10. Remove the cleaning cartridge and install the water filter. 11. Place the filter cover back to the unit. 12. Let the water run for 3 minutes. 13. Plug the unit back in and turn on the power. For more detailed instruction, please search the keywords, “ How to Clean Water Ionizer”