{"product_id":"oatey-1-1-2-in-npt-black-abs-in-line-air-admittance-ventgo-to-product-viewer-dialog-for-this-item","title":"Oatey 1-1\/2 in. NPT Black ABS In-Line Air Admittance VentGo to product viewer dialog for this item","description":"\u003cp\u003eThis Oatey 390122 In-Line Air Admittance Vent is designed for use as an alternative to a secondary vent in DWV plumbing systems. Constructed from durable black ABS plastic, it features a spring-loaded mechanism that opens under negative pressure to allow airflow and closes tightly under positive pressure to prevent sewer gases from entering the home. It is suitable for venting sinks, tubs, and showers, and it is NSF-24 listed for use in recreational vehicles. The unit includes a 1-1\/2 inch NPT connection and is rated for up to 20 DFU on a branch or 8 DFU on a stack\u003c\/p\u003e","brand":"Oatey","offers":[{"title":"Default Title","offer_id":45783821746362,"sku":"721743","price":2.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/721743_ai.jpg?v=1777578300","url":"https:\/\/www.loopstone.net\/products\/oatey-1-1-2-in-npt-black-abs-in-line-air-admittance-ventgo-to-product-viewer-dialog-for-this-item","provider":"Loopstone Store","version":"1.0","type":"link"}