{"product_id":"oem-lennox-down-flow-filter-box-57n84","title":"OEM Lennox Down Flow Filter Box — 57N84","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 57N84\u003c\/strong\u003e is a genuine OEM down flow filter box built for compatible Lennox downflow heating and cooling systems. It securely houses the air filter to ensure all return air is properly cleaned before circulation through your Lennox unit, protecting the heat exchanger, blower, and coil from dust and debris. Replace a damaged or poorly sealing filter box promptly to prevent unfiltered air bypass and maintain peak system efficiency.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080996471155,"sku":"LNX-57N84","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-down-flow-filter-box-57n84","provider":"National HVAC Parts","version":"1.0","type":"link"}