{"product_id":"duran®-gl-45-membrane-vented-screw-cap-pp-blue","title":"DURAN® GL 45 Membrane Vented Screw Cap, PP, blue","description":"The screw cap can be tightly closed as the membrane permits an automatic sterile gas exchange, allowing safe pressure equalisation during the autoclave cycle, and at the same time ensuring the sterility of the bottle contents.\nDURAN® Original GL Screw Capped Laboratory bottles are ideal containers for sterilising and storing media or buffer solutions. However, it is strongly recommended that during the autoclaving cycle the caps are only loosely tightened. Heating times are reduced if the steam is easily able to penetrate the contents of the bottle. Loose caps also reduce the risk of failure due to pressure build up inside the bottle, which can reach 400 kPa (absolute). In addition, tightening the screw caps immediately after autoclaving, will result in a vacuum caused by the cooling of the steam. This can lead to bottle failure, and is an especially important consideration for larger bottles. To overcome these limitations, the sterile venting membrane screw caps were developed. \u003cdiv class=\"wdi-tab-wrapper\"\u003e\n  \u003cul class=\"tabs\"\u003e\n    \u003cli style=\"width: 50% !important;\"\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli style=\"width: 50% !important;\"\u003e\u003ca href=\"#tab2\"\u003eDownloads\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cul class=\"tabs-content\"\u003e\n    \u003cli class=\"active\" id=\"tab1\"\u003e\n      \u003cdiv class=\"wdi-grid-wrapper\"\u003e \n        \u003c!--+++++++++++ BEGIN VARIABLE CONTENT +++++++++++--\u003e\n        \u003cdiv class=\"wdi-grid-col\"\u003e \n          \n          \u003c!------------------------- LEFT CONTENT DIVIDER -----------------------------\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Height (mm)\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e 25 \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Diameter (mm) \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e 54 \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Capacity (mL) \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e  \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Thread \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e GL45 \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Material \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e \nPP, ePTFE \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Sterile \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e No \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"wdi-inner-wrapper\"\u003e\n            \u003cdiv style=\"text-align: left !important;\" class=\"wdi-inner-col wdi-inner-col-left wdi-strong\"\u003e\n              \u003cp style=\"text-align: left !important;\"\u003e Quantity \u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"wdi-inner-col wdi-inner-col-right\"\u003e\n              \u003cp\u003e 5      \u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli id=\"tab2\"\u003e\n      \u003cdiv class=\"b\" style=\"float: left; width: 60%;\"\u003e\n        \u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0296\/2155\/1241\/files\/DWK_DURAN_Laboratory_glassware_catalogue_EN_S.pdf?v=1637256456\"\u003eDuran® Laboratory Glassware Catalogue\u003c\/a\u003e\u003c\/p\u003e\n        \u003cdiv style=\"clear: left;\"\u003e\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"DWK","offers":[{"title":"Default Title","offer_id":42121070379265,"sku":"291182809","price":22.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0296\/2155\/1241\/products\/r_d_image_291182809_1_702b72db-7d0c-4b09-a440-66b315dc7ac0.png?v=1637685467","url":"https:\/\/esslabshop.com\/products\/duran%c2%ae-gl-45-membrane-vented-screw-cap-pp-blue","provider":"ESSLAB","version":"1.0","type":"link"}