FT meta query example

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'max_gpm',
		'value'   => 'flow',
		'compare' => '>',
		'type'    => 'NUMERIC',
	),
	array(
		'key'     => 'min_gpm',
		'value'   => 'flow',
		'compare' => '<',
	),
);