{"product_id":"m-series-type-b-double-wall-round-gas-vent-pipe-met4m18","title":"M Series - Type B Double Wall Round Gas Vent Pipe - MET4M18","description":"\u003cp\u003eMetal-Fab's round and oval Type-B vent is listed by Underwriters Laboratories for use with approved category 1 gas furnaces, heaters, and boilers. A category 1 appliance operates with a non-positive vent static pressure. The double wall design of B-vent enables the product to be used in homes and commercial buildings at close clearance to combustible. Metal-Fab's B-vent design incorporates features that make installation quick, easy, and safe.\u003c\/p\u003e","brand":"METAL-FAB","offers":[{"title":"Default Title","offer_id":53407645925665,"sku":"MET4M18","price":16.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/Metal_Fab_10M24_ca14a10d-a3dd-472c-8c51-518edb8c421d.jpg?v=1790122890","url":"https:\/\/standardvmi.com\/products\/m-series-type-b-double-wall-round-gas-vent-pipe-met4m18","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}