The Lasko 2011897TX Fan Base is a replacement part for Lasko fans. It is important to use the correct base for your fan model to ensure safety and proper operation, fan bases are an essential part of any fan. They provide a stable base for the fan to sit on and prevent it from tipping over. Fan bases also help to protect the fan's motor and other internal components from damage. https://www.hnkparts.com/lasko-2011897tx-fan-base