{"product_id":"valvola-di-chiusura-in-pvc-bianco-per-condotte-aria","title":"White PVC Shut-off Valve for air ducts","description":"\u003ch2\u003eWhite PVC Shut-off Valve for air ducts\u003c\/h2\u003e\nPVC Shut-off or Non-Return Valve for Ventilation, Ducts, Pipes, and Extraction Ventilation Systems.\n\nThe non-return valve blocks the passage of air through ducts, extraction pipes, etc., when the extraction system is turned off.\n\nThe PVC shut-off valve is also called a \"butterfly\" valve; it is a valve where the shutter is a disc that rotates around an axis perpendicular to that of the pipe, obstructing the passage, and is operated by a \"spring-loaded\" mechanical return system.\n\nAssembly is simple, fast, and secure.\n\nIt prevents the escape of odors when the extraction system is not in operation.\n\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e\n\u003cul\u003e\n\n \t\u003cli\u003eØ100mm non-return valve.\u003c\/li\u003e\n\n \t\u003cli\u003eØ125mm non-return valve.\u003c\/li\u003e\n\n \t\u003cli\u003eØ150mm non-return valve.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"professional-growing","offers":[{"title":"150mm","offer_id":55174765183318,"sku":"WC-13225","price":4.7,"currency_code":"EUR","in_stock":true},{"title":"125mm","offer_id":55174765216086,"sku":"WC-13226","price":3.9,"currency_code":"EUR","in_stock":true},{"title":"100mm","offer_id":55174765248854,"sku":"WC-13227","price":3.7,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/professionalgrowing.com\/en\/products\/valvola-di-chiusura-in-pvc-bianco-per-condotte-aria","provider":"professional-growing","version":"1.0","type":"link"}