This is an adapter for installing a diversion faucet. After purchasing it new, I realized it was not needed for my home's faucet, and I stored it for about a year. Therefore, it has been opened but is unused. All accessories are shown in the photos. Product Name: Panasonic National Water Purifier Diverter Faucet Adapter for Alkaline Ion Water Purifier PA3604 Model Number: PA3604 Manufacturer: Panasonic Manufacturer's Suggested Retail Price: 2,640 yen