Sort by price

-- url of the page with the problem -- : the-authors-club.com
-- HikaShop version -- : latest
-- Joomla version -- : 3.1.5
-- PHP version -- : x.x.x
-- Browser(s) name and version -- Internet Explorer 9
-- Error-message(debug-mod must be tuned on) -- : Error_message

Hi.
I have a filter set up to filter books (my products) by price. However when I click on the "Filter" button, I see 2 filters on the results page, as seen here: the-authors-club.com/index.php/search-by-price/product/listing . Why do I see two filters on this page?


Update: I have it fixed.