{"product_id":"backdraft-damper-for-ducting","title":"Backdraft Damper For Ducting","description":"\u003ch2 data-section-id=\"cy8l8t\" data-start=\"0\" data-end=\"63\" class=\"PDq2pG_selectionAnchorContainer\"\u003eReliable Airflow Control with a Backdraft Damper for Ducting\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"65\" data-end=\"467\"\u003eThe \u003cstrong data-start=\"69\" data-end=\"101\"\u003eBackdraft Damper for Ducting\u003c\/strong\u003e is an essential ventilation component designed to prevent unwanted reverse airflow in ducted ventilation systems. Installed directly within rigid or flexible ducting, the damper automatically opens when the inline fan is operating and closes when airflow stops, preventing outside air, dust, insects, odours, and cold draughts from entering your ventilation system.\u003c\/p\u003e\n\u003cp data-start=\"469\" data-end=\"829\"\u003eIdeal for grow tents, grow rooms, hydroponic systems, HVAC installations, and general ventilation applications, the Backdraft Damper helps improve energy efficiency and maintain a stable indoor environment. Its lightweight spring-loaded blades provide reliable operation with minimal airflow restriction, making it suitable for both intake and exhaust ducting.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"831\" data-end=\"846\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"848\" data-end=\"1227\"\u003e\n\u003cli data-section-id=\"184lo55\" data-start=\"848\" data-end=\"885\"\u003eDesigned for inline ducting systems\u003c\/li\u003e\n\u003cli data-section-id=\"xoyxyw\" data-start=\"886\" data-end=\"926\"\u003eAutomatically prevents reverse airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1tpzopf\" data-start=\"927\" data-end=\"960\"\u003eSpring-loaded dual blade design\u003c\/li\u003e\n\u003cli data-section-id=\"fcj7mn\" data-start=\"961\" data-end=\"1000\"\u003eDurable galvanised steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"e9rf07\" data-start=\"1001\" data-end=\"1025\"\u003eLow airflow resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1tw8g0y\" data-start=\"1026\" data-end=\"1071\"\u003eSuitable for intake and exhaust ventilation\u003c\/li\u003e\n\u003cli data-section-id=\"q14kud\" data-start=\"1072\" data-end=\"1116\"\u003eCompatible with flexible and rigid ducting\u003c\/li\u003e\n\u003cli data-section-id=\"1ih6gnt\" data-start=\"1117\" data-end=\"1163\"\u003eWorks with inline extraction and intake fans\u003c\/li\u003e\n\u003cli data-section-id=\"f2erp5\" data-start=\"1164\" data-end=\"1192\"\u003eMaintenance-free operation\u003c\/li\u003e\n\u003cli data-section-id=\"xo5bhy\" data-start=\"1193\" data-end=\"1227\"\u003eAvailable in multiple duct sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"2qq1z5\" data-start=\"1229\" data-end=\"1240\"\u003eBenefits\u003c\/h2\u003e\n\u003cul data-start=\"1242\" data-end=\"1536\"\u003e\n\u003cli data-section-id=\"1rzbvbu\" data-start=\"1242\" data-end=\"1299\"\u003ePrevents unwanted backdrafts when fans are switched off\u003c\/li\u003e\n\u003cli data-section-id=\"nmn3uh\" data-start=\"1300\" data-end=\"1353\"\u003eStops cold air entering through ventilation ducting\u003c\/li\u003e\n\u003cli data-section-id=\"1mv25n4\" data-start=\"1354\" data-end=\"1408\"\u003eHelps block dust, insects, and airborne contaminants\u003c\/li\u003e\n\u003cli data-section-id=\"vhhzi0\" data-start=\"1409\" data-end=\"1454\"\u003eReduces odour transfer through duct systems\u003c\/li\u003e\n\u003cli data-section-id=\"dbo0gy\" data-start=\"1455\" data-end=\"1495\"\u003eImproves ventilation system efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1rkrmdt\" data-start=\"1496\" data-end=\"1536\"\u003eMaintains a more stable indoor climate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1538\" data-end=\"1555\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1557\" data-end=\"2040\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1557\" data-end=\"1584\"\u003e\n\u003ctr data-start=\"1557\" data-end=\"1584\"\u003e\n\u003cth data-start=\"1557\" data-end=\"1573\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1573\" data-end=\"1584\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1612\" data-end=\"2040\"\u003e\n\u003ctr data-start=\"1612\" data-end=\"1642\"\u003e\n\u003ctd data-start=\"1612\" data-end=\"1622\" data-col-size=\"sm\"\u003eProduct\u003c\/td\u003e\n\u003ctd data-start=\"1622\" data-end=\"1642\" data-col-size=\"md\"\u003eBackdraft Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1643\" data-end=\"1690\"\u003e\n\u003ctd data-start=\"1643\" data-end=\"1658\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"1658\" data-end=\"1690\" data-col-size=\"md\"\u003eInline Duct Backdraft Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1691\" data-end=\"1722\"\u003e\n\u003ctd data-start=\"1691\" data-end=\"1702\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1702\" data-end=\"1722\"\u003eGalvanised Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1723\" data-end=\"1786\"\u003e\n\u003ctd data-start=\"1723\" data-end=\"1741\" data-col-size=\"sm\"\u003eBlade Operation\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1741\" data-end=\"1786\"\u003eSpring-Loaded Automatic Opening \u0026amp; Closing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1787\" data-end=\"1823\"\u003e\n\u003ctd data-start=\"1787\" data-end=\"1802\" data-col-size=\"sm\"\u003eInstallation\u003c\/td\u003e\n\u003ctd data-start=\"1802\" data-end=\"1823\" data-col-size=\"md\"\u003eInline Duct Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1824\" data-end=\"1873\"\u003e\n\u003ctd data-start=\"1824\" data-end=\"1845\" data-col-size=\"sm\"\u003eCompatible Ducting\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1845\" data-end=\"1873\"\u003eFlexible \u0026amp; Rigid Ducting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1874\" data-end=\"1924\"\u003e\n\u003ctd data-start=\"1874\" data-end=\"1892\" data-col-size=\"sm\"\u003eCompatible With\u003c\/td\u003e\n\u003ctd data-start=\"1892\" data-end=\"1924\" data-col-size=\"md\"\u003eInline Intake \u0026amp; Exhaust Fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1925\" data-end=\"1994\"\u003e\n\u003ctd data-start=\"1925\" data-end=\"1940\" data-col-size=\"sm\"\u003eApplications\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1940\" data-end=\"1994\"\u003eGrow Rooms, Grow Tents, HVAC \u0026amp; General Ventilation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1995\" data-end=\"2040\"\u003e\n\u003ctd data-start=\"1995\" data-end=\"2013\" data-col-size=\"sm\"\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2013\" data-end=\"2040\"\u003eMultiple Duct Diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"zq1601\" data-start=\"2042\" data-end=\"2075\"\u003eWhy Choose a Backdraft Damper?\u003c\/h2\u003e\n\u003cp data-start=\"2077\" data-end=\"2561\"\u003eA Backdraft Damper is a simple yet highly effective way to improve the performance of any ducted ventilation system. By automatically closing when airflow stops, it prevents reverse airflow, helping maintain consistent temperatures, reduce energy loss, and keep unwanted contaminants out of your ventilation system. Its durable galvanised steel construction and low-resistance design make it a reliable solution for residential, commercial, and horticultural ventilation applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1xvwnkw\" data-start=\"2563\" data-end=\"2570\"\u003eFAQs\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1xaxqdl\" data-start=\"2572\" data-end=\"2603\"\u003eWhat is a backdraft damper?\u003c\/h3\u003e\n\u003cp data-start=\"2605\" data-end=\"2765\"\u003eA backdraft damper is an inline duct accessory that automatically prevents air from flowing backwards through a ventilation system when the fan is switched off.\u003c\/p\u003e\n\u003ch3 data-section-id=\"6v4d66\" data-start=\"2767\" data-end=\"2809\"\u003eWhere is a backdraft damper installed?\u003c\/h3\u003e\n\u003cp data-start=\"2811\" data-end=\"2954\"\u003eIt is installed directly inside flexible or rigid ducting, typically near the inline fan or external vent, depending on the ventilation layout.\u003c\/p\u003e\n\u003ch3 data-section-id=\"lynvp\" data-start=\"2956\" data-end=\"3011\"\u003eCan it be used for both intake and exhaust systems?\u003c\/h3\u003e\n\u003cp data-start=\"3013\" data-end=\"3126\"\u003eYes. It is suitable for both intake and exhaust ventilation systems where reverse airflow prevention is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18z9lt\" data-start=\"3128\" data-end=\"3155\"\u003eWill it affect airflow?\u003c\/h3\u003e\n\u003cp data-start=\"3157\" data-end=\"3271\"\u003eThe damper is designed to offer minimal airflow resistance while providing reliable protection against backdrafts.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5m8rir\" data-start=\"3273\" data-end=\"3305\"\u003eDoes it require electricity?\u003c\/h3\u003e\n\u003cp data-start=\"3307\" data-end=\"3423\"\u003eNo. The spring-loaded blades operate automatically using airflow, requiring no electrical connection or maintenance.\u003c\/p\u003e","brand":"Green Genius","offers":[{"title":"150mm","offer_id":52199712260386,"sku":null,"price":20.0,"currency_code":"AUD","in_stock":true},{"title":"200mm","offer_id":52199712293154,"sku":null,"price":25.0,"currency_code":"AUD","in_stock":true},{"title":"250mm","offer_id":52199712325922,"sku":null,"price":30.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/6833\/1810\/files\/NRD-200.webp?v=1785205959","url":"https:\/\/www.greengenius.com.au\/products\/backdraft-damper-for-ducting","provider":"Green Genius","version":"1.0","type":"link"}