Pressurized bladder tanks have several advantages over atmospheric tanks. Used with Reverse Osmosis Water Filtration systems.Ø 15.4" x 31.6". The item "RO Reverse Osmosis Systems Water Storage Tank 20 Gallon Tank" is in sale since Thursday, November 2, 2017. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters". The seller is "123waterfilter" and is located in Lancaster, California. This item can be shipped to United States, United Kingdom, Denmark, Romania, Finland, Hungary, Malta, Australia, Greece, Portugal, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, New Zealand, Philippines, Singapore, Switzerland, Norway, Malaysia, Brazil, Chile, Belize, Bangladesh, Brunei darussalam, Bolivia, Ecuador, French guiana, Guernsey, Gibraltar, Iceland, Jersey, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Peru, Pakistan, Paraguay, Viet nam, Uruguay, Canada, Sri lanka, Colombia, Bermuda, Maldives.