{"product_id":"panasonic-fv-vs43r-4-to-3-duct-adaptor","title":"Panasonic FV-VS43R 4\" Oval to 3\" Duct Adaptor for WhisperValue Bathroom Fans","description":"\u003c!-- PANASONIC FV-VS43R – FULL PRODUCT DESCRIPTION --\u003e\n\u003cdiv style=\"text-align: start;\" class=\"panasonic-product-page\"\u003e\n\u003c!-- ============================= --\u003e \u003c!-- HERO \/ INTRO --\u003e \u003c!-- ============================= --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePanasonic FV-VS43R 4\" Oval to 3\" Duct Adaptor\u003c\/strong\u003e is a genuine Panasonic ventilation accessory designed to provide added flexibility during installation of compatible \u003cstrong\u003ePanasonic WhisperValue bathroom fans and fan\/light combinations\u003c\/strong\u003e. This adaptor converts a \u003cstrong\u003e4\" oval duct connection to a 3\" round duct connection\u003c\/strong\u003e, making it a practical solution for renovation work, tighter duct layouts, and installations where a 3-inch round duct path is preferred.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" height=\"51\" width=\"301\" alt=\"Panasonic FV-VS43R 4 inch to 3 inch duct adaptor for WhisperValue bathroom fans available in Canada\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0288\/7273\/6802\/files\/Panasonic_Logo_Blue_002.png?v=1764028044\"\u003e\u003c\/p\u003e\n\u003cp\u003eAs an \u003cstrong\u003eAuthorized Panasonic Distributor in Canada\u003c\/strong\u003e, \u003cstrong\u003eMARS Lighting \u0026amp; Electrical Distribution (MARS LED)\u003c\/strong\u003e supplies genuine Panasonic bathroom fan accessories and ventilation products to contractors, electricians, builders and homeowners across \u003cstrong\u003eOntario, British Columbia, Alberta, Saskatchewan, Manitoba, Quebec, Atlantic Canada, and the Territories\u003c\/strong\u003e, with \u003cstrong\u003efast Canada-wide shipping\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c!-- ============================= --\u003e \u003c!-- KEY FEATURES --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eKey Features – Panasonic FV-VS43R Duct Adaptor\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConverts 4\" oval to 3\" round\u003c\/strong\u003e for more flexible duct routing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Panasonic WhisperValue models\u003c\/strong\u003e and compatible fan\/light combinations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Panasonic accessory\u003c\/strong\u003e for reliable fit and installation compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-gauge steel construction\u003c\/strong\u003e for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-code rated adaptor\u003c\/strong\u003e for compliant installation applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eHelpful for \u003cstrong\u003ebathroom fan retrofits\u003c\/strong\u003e and duct layout constraints\u003c\/li\u003e\n\u003cli\u003eIdeal when adapting a compatible Panasonic fan to \u003cstrong\u003e3\" round ducting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUseful in renovation, multi-family, residential, and light commercial applications\u003c\/li\u003e\n\u003cli\u003eSupports cleaner transitions where space or duct runs make standard connections difficult\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFan sold separately\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ============================= --\u003e \u003c!-- IDEAL APPLICATIONS --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWhisperValue fan installations requiring a \u003cstrong\u003e4\" oval to 3\" round duct transition\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBathroom exhaust fan retrofit and renovation projects\u003c\/li\u003e\n\u003cli\u003eResidential and light commercial ventilation layouts\u003c\/li\u003e\n\u003cli\u003eTight ceiling or wall duct runs where a 3-inch round connection is preferred\u003c\/li\u003e\n\u003cli\u003eReplacement or accessory add-on for compatible Panasonic WhisperValue fan models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ============================= --\u003e \u003c!-- TECHNICAL SPECIFICATIONS --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eTechnical Specifications – Model FV-VS43R\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 16px;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 720px; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFV-VS43R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDuct Adaptor \/ Transition Fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eDuct Size Conversion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4\" oval to 3\" round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e24-gauge steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eRating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFire-code rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eCompatible Product Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePanasonic WhisperValue fan and fan\/light combinations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eResidential, multi-family, renovation\/remodeling, light commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eInstallation Context\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFor compatible ceiling and wall-mount WhisperValue ventilation applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e885170136540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePanasonic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- ============================= --\u003e \u003c!-- PRODUCT RESOURCES \/ DOWNLOADS --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eProduct Resources \u0026amp; Downloads\u003c\/h2\u003e\n\u003cp\u003eReference official Panasonic product information for the FV-VS43R duct adaptor:\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px;\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/iaq.na.panasonic.com\/ventilation\/accessories\/duct-adapter\" style=\"flex: 1; min-width: 220px; text-align: center; padding: 10px 16px; background: #005CB9; color: #fff; border-radius: 4px; text-decoration: none;\" target=\"_blank\"\u003e 📄 Panasonic Product Page \u003c\/a\u003e \u003ca rel=\"noopener\" href=\"https:\/\/na.panasonic.ca\/indoor-air-quality\/ventilation\/accessories\/whispervalue-duct-adapter\" style=\"flex: 1; min-width: 220px; text-align: center; padding: 10px 16px; background: #444; color: #fff; border-radius: 4px; text-decoration: none;\" target=\"_blank\"\u003e 🌐 Panasonic Canada Product Page \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- ============================= --\u003e \u003c!-- COMPATIBILITY \/ COMPARISON --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eCompatible Panasonic WhisperValue Applications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 24px;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 760px; border-collapse: collapse;\" aria-label=\"Compatible Panasonic WhisperValue accessory applications\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eAccessory\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eConnection Type\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eFV-VS43R (this model)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWhisperValue fan installs needing a duct transition\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4\" oval to 3\" round\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDesigned exclusively for compatible WhisperValue fan and fan\/light combinations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cstrong\u003eStandard WhisperValue connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDirect installation without adaptor\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4\" oval\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUsed where duct layout already matches the fan outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- ============================= --\u003e \u003c!-- INTERNAL LINKS --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eExplore More Panasonic Bathroom Ventilation Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/panasonic-whisper-quiet-bathroom-fans-canada-authorized-distributor\" title=\"Panasonic Whisper Quiet Bathroom Fans Canada – Authorized Distributor\"\u003ePanasonic Whisper Quiet Brand Page\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/panasonic-bathroom-ventilation-fans-canada\" title=\"All Panasonic Bathroom Ventilation Fans in Canada\"\u003eAll Panasonic Bathroom Ventilation Fans in Canada\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/panasonic-whispervalue-bathroom-fans\" title=\"Panasonic WhisperValue Bathroom Fans\"\u003ePanasonic WhisperValue Bathroom Fans\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/panasonic-whisperceiling-series\" title=\"Panasonic WhisperCeiling Bathroom Fans – Canada\"\u003ePanasonic WhisperCeiling Bathroom Fans – Canada\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/mars-led-free-deliveries-canada-wide-shipping\" title=\"MARS LED Shipping and Delivery Information\"\u003eShipping \u0026amp; Delivery Information\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ============================= --\u003e \u003c!-- WHY BUY --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eWhy Buy Panasonic Ventilation Accessories from MARS LED?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAuthorized Panasonic distributor in Canada\u003c\/li\u003e\n\u003cli\u003eGenuine Panasonic accessories only\u003c\/li\u003e\n\u003cli\u003eFast Canada-wide shipping\u003c\/li\u003e\n\u003cli\u003eReliable support for contractors, builders, and renovation projects\u003c\/li\u003e\n\u003cli\u003eEasy product pairing with Panasonic WhisperValue bathroom fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ============================= --\u003e \u003c!-- SHIPPING --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eCanada-Wide Shipping\u003c\/h2\u003e\n\u003cp\u003eWe ship the \u003cstrong\u003ePanasonic FV-VS43R duct adaptor\u003c\/strong\u003e across Canada, including Ontario, Quebec, British Columbia, Alberta, Saskatchewan, Manitoba, Atlantic Canada, and the Territories.\u003c\/p\u003e\n\u003c!-- ============================= --\u003e \u003c!-- FAQ --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eFrequently Asked Questions – Panasonic FV-VS43R\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eWhat is the Panasonic FV-VS43R used for?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThe \u003cstrong\u003ePanasonic FV-VS43R\u003c\/strong\u003e is a genuine duct adaptor used to convert a \u003cstrong\u003e4\" oval duct connection to a 3\" round duct connection\u003c\/strong\u003e for compatible \u003cstrong\u003ePanasonic WhisperValue bathroom fan and fan\/light combinations\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eIs the FV-VS43R a bathroom fan?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eNo. The \u003cstrong\u003eFV-VS43R\u003c\/strong\u003e is not a fan. It is a \u003cstrong\u003ePanasonic bathroom fan accessory\u003c\/strong\u003e designed to help adapt duct connections during installation.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eWhich Panasonic fans is this adaptor compatible with?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThis adaptor is designed for compatible \u003cstrong\u003ePanasonic WhisperValue fan and fan\/light models\u003c\/strong\u003e. \u003cstrong\u003ee.g. \u003ca href=\"https:\/\/shopmarsled.com\/products\/panasonic-whispervalue-dc-pick-a-flow-50-80-or-100-cfm-ceiling-or-wall-low-profile-housing-depth-energy-star-bath-exhaust-fan-fv-0510vs1?_pos=1\u0026amp;_sid=80759ba71\u0026amp;_ss=r\" title=\"Panasonic FV-0511VS1\"\u003eFV-0510VS1\u003c\/a\u003e\u003c\/strong\u003e . Always confirm model compatibility before purchase if you are matching it to an existing unit.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eWhat duct sizes does this adaptor connect?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThe adaptor converts a \u003cstrong\u003e4-inch oval connection to a 3-inch round connection\u003c\/strong\u003e, making it useful for renovation and retrofit applications where duct layout flexibility is needed.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eIs this a genuine Panasonic part?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eYes. The \u003cstrong\u003eFV-VS43R\u003c\/strong\u003e is a genuine Panasonic ventilation accessory supplied by \u003cstrong\u003eMARS LED\u003c\/strong\u003e as an authorized Panasonic distributor in Canada.\u003c\/p\u003e\n\u003ch3 style=\"margin-bottom: 8px;\"\u003eDo you ship the Panasonic FV-VS43R across Canada?\u003c\/h3\u003e\n\u003cp style=\"margin-top: 0;\"\u003eYes. We ship the \u003cstrong\u003ePanasonic FV-VS43R duct adaptor\u003c\/strong\u003e across Canada, including Ontario, Quebec, British Columbia, Alberta, Saskatchewan, Manitoba, Atlantic Canada, and the Territories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ============================= --\u003e \u003c!-- SEO CLOSING --\u003e \u003c!-- ============================= --\u003e\n\u003ch2\u003eLooking for a Panasonic 4\" to 3\" Duct Adaptor in Canada?\u003c\/h2\u003e\n\u003cp\u003eCustomers often find this product while searching for \u003cstrong\u003e“Panasonic FV-VS43R”\u003c\/strong\u003e, \u003cstrong\u003e“Panasonic 4 inch to 3 inch duct adaptor”\u003c\/strong\u003e, \u003cstrong\u003e“WhisperValue duct adapter Canada”\u003c\/strong\u003e, \u003cstrong\u003e“4\" oval to 3\" round duct adaptor”\u003c\/strong\u003e, or \u003cstrong\u003e“Panasonic bathroom fan duct adaptor Canada”\u003c\/strong\u003e. If you need a genuine Panasonic transition fitting for a compatible WhisperValue fan installation, the \u003cstrong\u003eFV-VS43R\u003c\/strong\u003e is the correct accessory for added duct layout flexibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- JSON-LD PRODUCT SCHEMA --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- JSON-LD FAQ SCHEMA --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Panasonic","offers":[{"title":"Default Title","offer_id":46496425836733,"sku":"FV-VS43R","price":16.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0288\/7273\/6802\/files\/PANFVVS43R-1.png?v=1773263937","url":"https:\/\/shopmarsled.com\/products\/panasonic-fv-vs43r-4-to-3-duct-adaptor","provider":"MARS LED","version":"1.0","type":"link"}