New open box, never used

This product is a Mastercool Purge Pump Kit that is made out of blue plastic and is designed to prevent mineral build-up. This kit includes everything you need for a functioning pump, such as the MCP44-PPK model and the purge mechanism. The pump is the perfect accessory for any home improvement project and is an ideal addition to your heating, cooling, and air setup. As a result, you can enjoy a clean and well-functioning system without worrying about the condition of your equipment.