def filter(self, id):
        """
        Fetches information about the filter with the specified `id`.
        
        Returns a `filter dict`_.
        """
        id = self.__unpack_id(id)
        url = '/api/v1/filters/{0}'.format(str(id))
        return self.__api_request('GET', url)
Fetches information about the filter with the specified `id`.
        
        Returns a `filter dict`_.