Effect term

$tax_query = array(
	array(
		array(
			'taxonomy'         => 'effect',
			'terms'            => 'csempe',
			'field'            => 'slug',
			'operator'         => 'IN',
			'include_children' => true,
		),
	),
	array(
		'taxonomy'         => 'manufacturer',
		'terms'            => 'duravit',
	),
);