Membrane Solutions' 13mm syringe filters have two types: ultrasonic welding and color-coding housings. The classic range is available in all of the major membranes including nylon, PTFE,PES,MCE,PVDF,CA,PP and GF. Introduction MS ® 13mm diameter syringe filters are available in two types of housing: ultrasonic welding and color coding. . Ultrasonic welding housing is in transparent medical