One Green Filter is a Tampa Bays #1 water softener company. We specialize in providing water softener systems, whole house filtration water treatment, under the sink reverse osmosis water filters and a variety of water dispensers. Enjoy safe, clean, fresh water with an endless supply. No more smelly water, bad tasting water, cloudy or hard water. Servicing Tampa, St. Petersburg, Clearwater and other Tampa Bay areas. Residential water treatment. Business and commercial water treatment. Call us for water softener and water filtration repair, servicing and maintenance too. We are locally based water softener experts. No more water spots, harsh chemicals, or white crusty sediment on your appliances. Get a Free Water Test today.