0-500
501-1000
1001-2500
2501-5000

<div class="control-group">
<label class="control control--checkbox"> 0-500
  <input type="checkbox" value="0 AND 500" class="item_filter price"/>
  <div class="control__indicator"></div>
</label>
</div>
<div class="control-group">
<label class="control control--checkbox"> 501-1000
  <input type="checkbox" value="501 AND 1000" class="item_filter price"/>
  <div class="control__indicator"></div>
</label>
</div>
<div class="control-group">
<label class="control control--checkbox"> 1001-2500
  <input type="checkbox" value="1001 AND 2500" class="item_filter price"/>
  <div class="control__indicator"></div>
</label>
</div>
<div class="control-group">
<label class="control control--checkbox"> 2501-5000
  <input type="checkbox" value="2501 AND 5000" class="item_filter price"/>
  <div class="control__indicator"></div>
</label>
</div>

<?php
$price="";
$price = isset($_REQUEST['price'])?$_REQUEST['price']:"";

$sql = "SELECT * FROM wm_ledtv WHERE pro_live='N'";
if(!empty($price)){
    $price =implode("'or pro_price between'",$price);
    $sql  .= " and pro_price between $price";
}
$result = $conn->query($sql);
if($result->num_rows > 0){
    while($row = $result->fetch_assoc()){
        ?>
         fliter product show.............
        <?php
    }
}