The Layered Navigation for Magento 2 provides your customers with various filters for product category, price range, color, size and other available attributes and allows them to search the store catalog and get the favourite products in the shortest way.

Key features:
- Multiselect options, customers can select multiple options on same layered navigation filter
- Ajax Loading page for quick filtering
- Price Slider, Smart and Optimized
- Easy layered navigation configuration in admin panel.
- Fully responsive for mobile devices and multi-site supported

Please find more information here: https://www.ulmod.com/magento-2-layered-navigation-extension.html