`filter_out`

(Required, number): Filter out specific values to be displayed, e.g., filtering out the value 85.0

# Example configuration entry
- platform: wifi_signal
  # ...
  filters:
    - filter_out: 85.0

A list of values may be supplied, and values are templatable:

# Example configuration entry
- platform: wifi_signal
  # ...
  filters:
    - filter_out:
        - 85.0
        - !lambda return id(some_sensor).state;