904L filter nozzles are important in the methyl ethyl ketone production process. The filter nozzles are installed on the catalyst bed, used in the SBA hydration process. The 904L filter nozzle is a critical component in the MEK filtration system, responsible for distributing the fluid evenly across the filter media, https://www.ubowedgewire.com/About/904l-filter-nozzle-for-methyl-ethyl-ketone-2264-1.htm