Haier HRF-663ATA2 Serie Manual Del Usuario página 41

The symbol on the product or on its packaging indicates
that this product is not to be treated as regular household waste.
Instead, it must be taken to a recycling collection point for
electrical and electronic equipment. By properly disposing of this
product, you are contributing to the preservation of the
environment and the wellbeing of your fellow citizens. Improper
disposal is hazardous to health and environment. You can obtain
further information on how to recycle this product from your
municipality, your waste management service or the shop where
you purchased it.