Yes, you can put a water filter in a mobile home. There are many different types of water filters available on the market, so you should be able to find one that fits your needs. Mobile homes typically have smaller plumbing systems than traditional houses, so it is important to make sure that the water filter you select is compatible with your mobile home’s plumbing. You may need to consult with a plumber or other professional to ensure that you select the right water filter for your mobile home.