Filtro de productos de amazon usando awwp

<p style="text-align:center; font-size:20px; font-weight:bold;">¿Cuánto te quieres gastar?:</p>
					<form action="xxxxxx.com#Las_6_mejores_maquinas_depiladoras_de_cejas" method="post">
   <output class="value" id="range_weight_disp">40 €</output></p>
<input  type="range" name="preciofor" id="range_weight" value="40" step="10" min="20" max="200" oninput="range_weight_disp.value = range_weight.value">
							<div class="inner-button"><input style="margin-top:15px" class="comparador-button" type="submit" name="totalpro" value="Filtro por precio" /></div>
					</form></p>
<script>
	var elem = document.querySelector('input[type="range"]');
	var rangeValue = function(){
  	var newValue = elem.value;
  	var target = document.querySelector('.value');
  	target.innerHTML = newValue + "€";
	}
	elem.addEventListener("input", rangeValue);
</script>


<?php
$precio = $_POST["preciofor"];
$total = $_POST["totalpro"];
if ($total == "")
{
$total = 6;
}

?>
<?php  if($total== "6"){ ?>

[aawp box="B07WDGS1ZJ,B07WPGYLT1,B0894RWG32,B08B81K1Q8,B08DXMC2JD" filterby="price" filter="<?php echo $precio; ?>" description_items="3" rating="<?php echo rand(4, 5); ?>" orderby="rating" filter_compare="less" image_size="medium" template="table"]
 <?php }else{ ?>

[aawp box="xxxxxxxx" orderby="rating" filterby="price" image_size="medium" filter="<?php echo $precio; ?>" rating="<?php echo rand(4, 5); ?>" filter_compare="less" template="table"]

<?php }?>