{"product_id":"nutone-13-secondary-filter-1","title":"NUTONE 13\" SECONDARY FILTER","description":"NuTone Secondary Filter for CV353 Central Vacuum System\n\nThis 11-inch diameter secondary filter is designed as a replacement component for NuTone CV353 central vacuum units. The secondary filter stage provides additional filtration to protect your system's motor and maintain optimal suction performance. Compatible with CV353 models, this filter helps extend the life of your central vacuum by capturing fine particles and dust that primary filters may miss. Regular filter maintenance ensures your system operates at peak efficiency and keeps your home's air cleaner.","brand":"NUTONE","offers":[{"title":"Default Title","offer_id":44411703132275,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/8732\/5555\/files\/Screenshot2026-02-25123030_81a204a0-1aa8-45cb-afd3-ea11cb387ae1.png?v=1772040796","url":"https:\/\/millercentralvac.myshopify.com\/products\/nutone-13-secondary-filter-1","provider":"Miller Central Vacuums LLC","version":"1.0","type":"link"}