<div id="range-slider"></div> <!-- ui jquery range slider-->

                        <!-- block of content -->
                        <div class="items">

                            <!-- first-block -->
                            <div class="slider-content">
                                <span>lorem ipsum:</span>
                                <span class="price">30 000</span>
                            </div>

                            <!-- second-block -->
                            <div class="slider-content">
                                <span>lorem ipsum:</span>
                                <span class="price">30 000</span>
                            </div>

                        </div>

 $("#range-slider").slider({
        max: 20,
        min: 4,
        step: 4,
        change: function (event, ui) {

        }
    });