{"product_id":"ductmate-grdri849ga-sandwich-style-insulated-round-duct","title":"Ductmate GRDRI849GA - Sandwich Style Insulated Round Duct","description":"\u003cp\u003eDuct Access Door, Door Height 4 in, Door Shape Rectangular, Door Thickness 7\/8 in, Door Width 8 in, Fire Rating Not Rated, For Nominal Duct Diameter 7 in, 8 in, 9 in, Hinge Style None, Insulation Material Fiberglass, Latch Type Knobs, Material Thickness 22 ga, Maximum Temperature Rating 200 Degrees F, Mounting Stud Length 2 in, Number of Mounting Stud 2, Observation Port Height Not Applicable, Observation Port Material Steel, Observation Port Width Not Applicable, Rough Opening Height 3 7\/8 in\u003c\/p\u003e","brand":"DUCTMATE","offers":[{"title":"Default Title","offer_id":43258466074718,"sku":"GRDRI849GA","price":90.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-xK5zqcpEx_26a02e42-45f8-4460-9bbb-75ddfd291380.jpg?v=1788419390","url":"https:\/\/nationalboilersupply.com\/products\/ductmate-grdri849ga-sandwich-style-insulated-round-duct","provider":"National Boiler Supply","version":"1.0","type":"link"}