{"product_id":"sterile-syringe-filter-hydrophilic-pes-0-22um-4mm-lab-grade","title":"Sterile Syringe Filter Hydrophilic PES 0.22um 4mm - Lab Grade","description":"\u003cp\u003eIn this review the Sterile Syringe Filter Hydrophilic PES 0.22um 4mm is assessed for routine lab filtration tasks; the bottom line is that it is aimed at life science labs that need reliable, sterile single-use filters for buffers, media and reagents. The review finds the major reason to buy is consistent, certified sterility and convenient traceability thanks to individual integrity testing, gamma irradiation and per-unit expiry dating, which simplifies QC tracking when filtering small volumes prior to analysis or cell culture work.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterile packaging:\u003c\/strong\u003e Each filter is individually packaged to preserve sterility until use and reduce cross-contamination risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrophilic PES membrane:\u003c\/strong\u003e The PES membrane is suitable for aqueous solutions, enabling fast flow rates and low protein binding for routine buffer filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.22 um pore size:\u003c\/strong\u003e Provides effective removal of bacteria and particulates for sterile filtration of media and reagents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGamma irradiated and non-pyrogenic:\u003c\/strong\u003e Gamma irradiation and certification as non-pyrogenic reduce biological safety concerns for sensitive applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual expiry date:\u003c\/strong\u003e Per-unit expiry dating simplifies QC documentation and traceability for regulated lab environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 4 mm membrane:\u003c\/strong\u003e The small membrane diameter is convenient for small-volume sample preparation and minimizes dead volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe filter is best for laboratory technicians, researchers and QA staff who frequently filter small volumes of aqueous buffers, media or reagent solutions before downstream assays or sterile procedures. Its hydrophilic PES membrane and sterile, individually packaged format make it practical for routine sample prep and aseptic work in life science labs.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for filtration of solvents incompatible with PES or for applications requiring larger membrane areas or specialized low-binding polymers; teams needing higher throughput or large-volume filtration should consider larger syringe filter formats or in-line assemblies.\u003c\/p\u003e\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 reliable sterility and reduced contamination risk.\u003c\/li\u003e\n\u003cli\u003eHydrophilic PES membrane with 0.22 um pore size offers good flow for aqueous solutions and efficient bacterial removal.\u003c\/li\u003e\n\u003cli\u003eIndividual expiry dates aid QC traceability in regulated workflows.\u003c\/li\u003e\n\u003cli\u003eCompact 4 mm diameter suits small-volume filtering and minimizes sample loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall membrane area limits throughput and may require multiple filters for larger volumes.\u003c\/li\u003e\n\u003cli\u003eDesigned for aqueous use; not suitable for all organic solvents or specialized filtration needs.\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003e0.22 um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMembrane diameter\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eSterile, individually packaged, gamma irradiated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety\u003c\/td\u003e\n\u003ctd\u003eCertified non-pyrogenic and biologically safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTraceability\u003c\/td\u003e\n\u003ctd\u003eIndividual expiry date per unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Sterile Syringe Filter Hydrophilic PES 0.22um 4mm is a solid choice for labs that need small-volume sterile filtration with clear QC traceability. Its hydrophilic PES membrane, sterile individual packaging and gamma irradiation make it good value for routine buffer, media and reagent filtering, while the small membrane area means it is best for sample prep rather than high-volume filtration.\u003c\/p\u003e\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 unit is individually packaged and gamma irradiated to ensure sterility until opened.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use them with organic solvents?\u003c\/strong\u003e\u003cbr\u003eThey are hydrophilic PES membranes intended for aqueous solutions; compatibility with organic solvents is limited and should be checked before use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the filters have an expiry date?\u003c\/strong\u003e\u003cbr\u003eYes, each filter has an individual expiry date for QC tracking and traceability.\u003c\/p\u003e","brand":"ZHANXUBIO","offers":[{"title":"Default Title","offer_id":48607251366107,"sku":"B0F291Z2XG","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71KH-MhkvOL._SL1500_7b67ea5c-ef68-41ca-bcc2-993f153ae38b.jpg?v=1778582921","url":"https:\/\/gearmusthave.com\/products\/sterile-syringe-filter-hydrophilic-pes-0-22um-4mm-lab-grade","provider":"GearMustHave","version":"1.0","type":"link"}