After a few days of use, water started leaking from the plastic parts, where the side faucet is attached. I expected it to be much better in terms of quality, especially considering its price.

Very good quality but also quite expensive, definitely not value for money. Essentially it has 3 outlets, the third one is on the left as shown in the photo and functions as a regular faucet (useful). It is not exposed to the sun, so it should logically last for a long time, I hope.