Wc Slug
$tax_query = array( array( 'taxonomy' => 'product_cat', 'terms' => 'anestesicos', 'field' => 'slug', 'operator' => 'IN', ), );
$tax_query = array( array( 'taxonomy' => 'product_cat', 'terms' => 'anestesicos', 'field' => 'slug', 'operator' => 'IN', ), );