infiltration

// WP_Query arguments
$args = array(
	'post_parent'            => '896, 875',
	'post_type'              => array( 'infiltration' ),
	'order'                  => 'DESC',
	'orderby'                => 'date',
);

// The Query
$query23 = new WP_Query( $args );

// The Loop
if ( $query23->have_posts() ) {
	while ( $query23->have_posts() ) {
		$query23->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();