FOXX LIFE SCIENCES Sterile, EZFlow® 13mm, 25mm, and 33mm sample prep syringe filters are designed for aqueous and organic solution samples. These sample prep syringe filters are used for clarification and particle removal from samples before instrumental analysis such as HPLC, IC, and GC. These syringe filters are available in a variety of filter membrane materials, offered in 0.2µm or 0.45µm pore sizes. The filter membranes are reinforced with polypropylene housing with a female Luer-lok inlet and a male Luer slip outlet.