13mm&17mm Syringe Filter 13mm NY (Nylon) 13mm PES (Polyethersulfone) 13mm RC (Regenerated Cellulose) 13mm PVDF (Polyvinylidene Fluoride) 13mm HYDROPHILIC PTFE (Polytetrafluoroethylene) 13mm PE (Polyethylene) 13mm PTFE (Polytetrafluoroethylene) 13mm CA (Cellulose Acetate) 13mm MCE (Nitrocellulose Mixed Esters) 17mm Glass fiber/PTFE 17mm PP (Polypropylene) 17mm NY (Nylon) 17mm PTFE (Polytetrafluoroethylene) 17mm PES (Polyethersulfone) 17mm PVDF (Polyvinylidene Fluoride) 17mm CA (Cellulose Acetate) 17mm Glass fiber/Nylon 17mm Glass fiber/PP