{"product_id":"sterile-syringe-filter-pes-0-22um-4mm-individually-packed-25","title":"Sterile Syringe Filter PES 0.22um 4mm - Individually Packed 25","description":"\u003cp\u003eIn this review we look at the Sterile Syringe Filter with a hydrophilic PES membrane and a 0.22um pore size, supplied in packs of 25. The bottom line: this product is aimed at lab technicians and researchers who need reliable, sterile filtration of buffers, media and reagents with clear traceability. The single biggest reason to buy is the combination of a hydrophilic PES membrane and individual gamma-irradiated packaging that supports sterile handling and quality control in routine life science workflows.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrophilic PES membrane:\u003c\/strong\u003e Allows rapid, low-protein-binding filtration of aqueous solutions and most common buffers used in cell culture and molecular biology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.22um pore size:\u003c\/strong\u003e Provides sterile-grade filtration to remove bacteria and particulates from media, reagents and solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4mm membrane diameter:\u003c\/strong\u003e Compact size suited to small-volume syringe filtration and quick sample processing without large dead volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterile, gamma-irradiated packaging:\u003c\/strong\u003e Each filter is sterilized and individually packed to reduce contamination risk and simplify aseptic transfers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual expiry date:\u003c\/strong\u003e Simplifies QC tracking and inventory control in regulated lab environments or shared facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified non-pyrogenic:\u003c\/strong\u003e Designed to be biologically safe for many life science applications that require low endotoxin risk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is best for laboratory staff, academic researchers and technicians who routinely filter small volumes of buffers, media and reagents before use. The compact 4mm membrane and hydrophilic PES make it practical for quick sample prep and sterile transfers where protein binding must be minimized.\u003c\/p\u003e\n\u003cp\u003eThose working with large-volume filtration or who need specialized chemical compatibility beyond typical aqueous solutions should consider larger membrane formats or alternative materials. The single-use, small-diameter format is not intended for preparative-scale filtering of liters of solution.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndividually packaged and gamma-irradiated for immediate sterile use and reduced contamination risk.\u003c\/li\u003e\n\u003cli\u003eHydrophilic PES membrane with 0.22um pores offers efficient sterile filtration while limiting protein adsorption.\u003c\/li\u003e\n\u003cli\u003eIndividual expiry dates aid laboratory QC and inventory tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall 4mm membrane diameter limits throughput and makes these filters unsuitable for large-volume filtration tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eZHANXUBIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMembrane material\u003c\/td\u003e\n\u003ctd\u003ePES (hydrophilic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore size\u003c\/td\u003e\n\u003ctd\u003e0.22um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMembrane diameter\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e25 sterile filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterilization\u003c\/td\u003e\n\u003ctd\u003eGamma irradiation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety\u003c\/td\u003e\n\u003ctd\u003eCertified non-pyrogenic; individual expiry dates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Sterile Syringe Filter PES 0.22um 4mm is a practical, cost-effective choice for labs that need individually packaged, sterile filters for small-volume preparation of buffers and reagents. Its hydrophilic PES membrane and individual expiry dates make it a dependable option for routine QC-conscious workflows, though teams needing higher throughput should choose larger formats.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters sterile out of the package?\u003c\/strong\u003e\u003cbr\u003eYes, each filter is gamma-irradiated and individually packaged to provide sterile use straight from the pack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the membrane suitable for protein solutions?\u003c\/strong\u003e\u003cbr\u003eThe hydrophilic PES membrane is low-protein-binding compared with some alternatives, making it suitable for many protein-containing buffers, but users should confirm compatibility for specific samples.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is lot tracking handled?\u003c\/strong\u003e\u003cbr\u003eEach filter includes an individual expiry date for easier QC and inventory tracking in regulated or shared laboratory settings.\u003c\/p\u003e","brand":"ZHANXUBIO","offers":[{"title":"Default Title","offer_id":48256894533851,"sku":"B0F1T6YZY1","price":32.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71KH-MhkvOL._SL1500.jpg?v=1778266621","url":"https:\/\/gearmusthave.com\/products\/sterile-syringe-filter-pes-0-22um-4mm-individually-packed-25","provider":"GearMustHave","version":"1.0","type":"link"}