FacetWP Submit button Addon GPL Overview:

Add a submit button that redirects to a separate results page

We often get asked how to show filters on one page (like the homepage) that redirect to a separate results page. This can be done with the Submit Button add-on.

This add-on generates a submit button that passes chosen facet data from the primary page to a secondary results page.

Optional: Automatically submit

Submit on entering

If you want the submit button to work not only when clicked, but also when a user presses Enter, add the following code to your (child) theme’s functions.php. The code first checks if any facets are in use, to prevent redirects without facet selections: