In addition to the current options (search by name/barcode, filter by brand/category), expand with: Also search for: Item number/old barcode department branch Additional filters Inventory status: in stock/almost out of stock/sold out Price range: with a slider or preset ranges in the webshop sale/use/mixed nothing sold (product remains in stock untouched) Please also be able to apply multiple filters at the same time!! combination brand + category + inventory +... and dynamic filtering without reloading the entire page.