Use ENUMS in controller

I have a controller that print a pdf
now i need to use an ENUM, but i always get errors
My code is

WarrantyDurationSpan::class)->getLabel($record->repairWarranty->duration_span)

WarrantyDurationSpan::class)->getLabel($record->repairWarranty->duration_span)

the error
Non-static method App\Enums\WarrantyDurationSpan::getLabel() cannot be called statically

Use ENUMS in controller - Filament