{"product_id":"corning-3928-mcto-crossover-tube-with-valve-petcock","title":"Corning 3928-MCTO Crossover Tube With Valve Petcock","description":"\u003cdiv\u003e\u003cp\u003eCorning 3928-MCTO is a Pyrex crossover tube with a valve petcock. This Corning-made glass component is designed to connect sections of glassware in laboratory setups while providing manual flow control through the integrated valve petcock. The model number 3928-MCTO identifies the exact configuration within Corning’s Pyrex line, indicating a dedicated crossover tube with an attached valve for regulating passage of liquids. Crafted from Pyrex glass, the piece offers chemical resistance and clear visibility to observe contents as transfers occur. In lab configurations that require a controlled flow path between components, this valve-equipped conduit serves as a straightforward, glass-based solution. \u003c\/p\u003e\u003c\/div\u003e","brand":"Pyrex","offers":[{"title":"New","offer_id":46285578305770,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-025.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/corning-3928-mcto-crossover-tube-with-valve-petcock","provider":"GTG Hardware","version":"1.0","type":"link"}