Product Cat
$tax_query = array( array( 'taxonomy' => 'product_cat', 'terms' => array( '111', ' 112', ' 113' ), 'field' => 'term_id', ), );
$tax_query = array( array( 'taxonomy' => 'product_cat', 'terms' => array( '111', ' 112', ' 113' ), 'field' => 'term_id', ), );