Simple, complete, Auto Top Off System. Designed for tanks up to 55gals. Safety timer shuts off system after 1.8 or 3 minutes as set by user. Water level controller with only one sensor for nano aquariums or small aquariums with up to 55 US gal.Can be installed in a cabinet filter or directly on the aquarium edge. PLEASE NOTE, DUE TO A SAFETY SHUT OFF AFTER 3 MINUTES MAXIMUM, THE 3152 NANO OSMOLATOR IS NOT SUITABLE FOR AQAURIUMS OVER 55 US gal. Communication is an important part in ######xA0;giving you an enjoyable encounter, and in making sure that all of your needs are taken care of. We understand that it is important for our customers to get what they ordered as fast and as hassle free as possible. We work with suppliers with high quality products to give you the best goods possible. It is important for us to give our customers an enjoyable experience, as we put our customers first. In the uncommon occurrence when a customers is not contented with the product they receive, we will do all that we can to fix the issue. If you have any inquiries, please let us know and we will fix it! We promise the best when shopping with us. ####x200B;####x200B;####x200B;####x200B;####x200B;####x200B;####x200B; Welcome to Ecoquatic. The item "Water level Osmolator Nano 3152 Automatic Aquarium Water Top-Off, TUNZE" is in sale since Friday, May 24, 2013. This item is in the category "Pet Supplies\Fish & Aquariums\Meters & Controllers". The seller is "reefguy007" and is located in Great Neck, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.