Это ajax
$(".urut").change(function() {
$.ajax({
url: "<?php echo base_url(); ?>categories/brand/<?= $link_brand; ?>?l=<?= $l; ?>&h=<?= $h; ?>&city=<?= $city; ?>&city_name=<?= $city_name; ?>&ket=view",
type: "POST",
data: "urut=" + $(".urut").val(),
success: function(data) {
$("#result").html(data);
}
})
})