3.19 x 4.56 x 7 inches. Eco power 1.0 gpf toilet flushometer valve.For toilets with 1-1/2 inch top spud inlet using 12 inch vacuum breaker tubes. Powered by the force of running water: no external power source or battery replacement is necessary. Replenishes power stores with no minimum daily usage. Programmed timing eliminates "ghost" flushing that wastes water. This item is in the category "Home & Garden\Bath\Toilets & Bidets\Toilet Parts & Attachments". The seller is "classicautomotiveinc" and is located in this country: US. This item can be shipped to United States, Mexico, Germany, Japan.