Liquatec has gone out of business. If you are looking for a replacement Liquatec filter, check out our Whole House Filter collection to see if we carry a comparable option for the filter you need. If you need assistance finding a filter, reach out to our support team at 1-888-801-7873.. Email [email protected] if you cannot find a comparable replacement for your Liquatec water filters. Most of the comparable products are available now from Hydronix Water Filters.