National Water Purifier PJ-A402 Tested and Working. Hose has dirt.

This is a National PJ-A402 countertop water purifier.
We sincerely appreciate your understanding that the current price is firm and no further price negotiations will be accepted.
To prevent any issues, please read the product description in its entirety.

[Product]
Manufacturer: National (now Panasonic)
Product Name: Household Water Purifier
Model Number: PJ-A402
Accessories: Main unit, discharge pipe, water supply hose, drain hose, diverter valve (faucet attachment parts)
*All items shown in the photos are included.
[Condition]
The unit powers on, and we have confirmed that the LCD display on the front panel and button operations are functional.
Due to age and use, there is plastic discoloration (yellowing) on the entire unit (especially the back cover).
Additionally, the water supply and drain hoses have black stains and dirt that cannot be removed even after cleaning. Please check the photos carefully for the condition.
The exterior shows signs of age, but there are no major damages.
[Regarding the Cartridge]
The cartridge installed inside has passed its expiration date and requires consideration for hygiene. Therefore, please consider this cartridge solely as a cap to prevent water leakage during shipping.
Upon arrival, please be sure to prepare and replace it with a new cartridge before use.
[Shipping]
We will drain as much water as possible and perform a simple cleaning with alcohol.
The item will be wrapped in cushioning material such as bubble wrap and shipped in a recycled cardboard box via anonymous shipping.
We will dry the unit thoroughly to prevent water leakage during transport, but please understand that some water may remain due to the structure.
[Notes]
This is a used electrical appliance that has been in use for some time.
We cannot guarantee future operation, including initial malfunctions upon arrival.
Please only consider purchasing if you understand the used condition, including dirt on the hoses and writing on the cartridge.
Individuals seeking a perfect, pristine item or those who are overly sensitive should refrain from purchasing.
For reasons such as preventing product swapping, returns are difficult. Therefore, please purchase only if you understand that the item is sold as-is.