{"product_id":"sartorius-flexsafe-str-bioprocess-bag","title":"Sartorius Flexsafe STR Bioprocess Bag","description":"\u003ch3\u003e\u003cstrong\u003eFlexsafe STR® 2000 L Bioreactor Bag (Optical DO\/pH Sensors)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eFlexsafe STR® 2000 L\u003c\/strong\u003e is a high-capacity \u003cstrong\u003esingle-use bioreactor bag\u003c\/strong\u003e engineered for \u003cstrong\u003ecommercial-scale cell culture applications\u003c\/strong\u003e, offering \u003cstrong\u003eexceptional performance, reproducibility, and ease of integration\u003c\/strong\u003e. Designed to support \u003cstrong\u003esensitive production cell lines\u003c\/strong\u003e, its \u003cstrong\u003eoptimized S80 film material\u003c\/strong\u003e, precise \u003cstrong\u003eresin formulation\u003c\/strong\u003e, and controlled manufacturing processes ensure \u003cstrong\u003elot-to-lot consistency\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach standard STR bag includes \u003cstrong\u003etwo 3-blade segmented impellers\u003c\/strong\u003e tailored for \u003cstrong\u003emammalian cell culture\u003c\/strong\u003e, along with a \u003cstrong\u003ecombi ring sparger\u003c\/strong\u003e for \u003cstrong\u003eefficient submerse gassing\u003c\/strong\u003e. The system features \u003cstrong\u003eOpta® SFT sterile connectors\u003c\/strong\u003e for simplified filter transfer set integration and \u003cstrong\u003eweldable substrate tubing\u003c\/strong\u003e for secure media, acid, base, or antifoam addition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eReal-time process monitoring\u003c\/strong\u003e is supported by integrated \u003cstrong\u003esingle-use optical DO and pH sensors\u003c\/strong\u003e, enabling \u003cstrong\u003efast, accurate, and contamination-free measurements\u003c\/strong\u003e. Flexsafe STR® bags are \u003cstrong\u003egamma-irradiated\u003c\/strong\u003e and \u003cstrong\u003eready-to-use\u003c\/strong\u003e, with compatibility for \u003cstrong\u003eBiostat STR® bagholders\u003c\/strong\u003e and optional exhaust accessories for added safety and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWorking volume of 500 – 2000 L\u003c\/strong\u003e, ideal for \u003cstrong\u003ecommercial-scale bioproduction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eGamma-irradiated single-use bag\u003c\/strong\u003e for \u003cstrong\u003esterile, ready-to-use workflows\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated optical sensors\u003c\/strong\u003e for \u003cstrong\u003epH and dissolved oxygen (DO)\u003c\/strong\u003e monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDual 3-blade segmented impellers\u003c\/strong\u003e for \u003cstrong\u003eenhanced mixing and cell viability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCombi sparger\u003c\/strong\u003e supports efficient gassing for robust cell growth\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOpta® SFT connectors\u003c\/strong\u003e and \u003cstrong\u003esensor ports\u003c\/strong\u003e for easy setup and sampling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRedundant exhaust lines\u003c\/strong\u003e with optional exhaust cooler for added safety\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eS80 multilayer film material\u003c\/strong\u003e ensures durability and low extractables\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMammalian cell culture\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCell and gene therapies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMonoclonal antibody (mAb) production\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRecombinant protein expression\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVaccine manufacturing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVolume (Working):\u003c\/strong\u003e 500 – 2000 L\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eImpeller Type:\u003c\/strong\u003e 3-blade segmented\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSparger Type:\u003c\/strong\u003e Combi sparger\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSensors:\u003c\/strong\u003e Optical pH, Optical DO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFilm Material:\u003c\/strong\u003e S80\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Opta® SFT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eApplication Area:\u003c\/strong\u003e Cell culture, biomanufacturing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eScale:\u003c\/strong\u003e Commercial manufacturing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sartorius","offers":[{"title":"Sterile \/ Opta SFT Connector \/ Biostat STR hardware \/ 2000 L \/ Unit \/ New - Unopened (Sealed)","offer_id":51808527614279,"sku":"FRS132367","price":7030.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/shop.sartorius.jpg?v=1750765692","url":"https:\/\/checkout.wasteless.bio\/products\/sartorius-flexsafe-str-bioprocess-bag","provider":"Wasteless Bio","version":"1.0","type":"link"}