You are able to filter products by extra fields with this Oscommerce MS2.2 contribution. It can be used also in CREloaded, OscMAX (OSCdox). New box can be placed in left/right column or in content part of the store. First of all you are choosing category and first extra fields values for products from this category will appear. After this you can choose value of current extra field and next extra field values will appear. After you click on search button and do not choose all extra fields then appropriate products for selected values will be filtered. Unlimited count of extra fields and its value supported. It works fast and effective with newest Ajax. Please click here to see demo. Requirements: Oscommerce MS2.2 PHP 4*, 5* Mysql 4*