public function initialize()
    {
        parent::initialize();

        $this->setHtmlAttribute('data-type', 'range');
        $this->setHtmlAttribute('class', 'column-filter');

        $this->getFrom()->initialize();
        $this->getTo()->initialize();

        $this->getFrom()->removeHtmlAttribute('data-type');
        $this->getTo()->removeHtmlAttribute('data-type');
    }