{"product_id":"stepped-y-duct-joiner-hydroponic-ventilation","title":"Stepped Y Duct Joiner | Hydroponic 3-Way Ventilation Connector Australia","description":"\u003ch2\u003eStepped Y Duct Joiner. 3-Way Hydroponic Ventilation Connector with Multi-Size Compatibility\u003c\/h2\u003e\n\u003cp\u003eStepped Y Duct Joiners are 3-way ventilation connectors designed to split, combine, or redirect airflow across multiple duct sizes in a single fitting. The stepped diameter design eliminates the need for separate reducer adapters, enabling direct connection between mismatched duct diameters in grow room and grow tent ventilation systems.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-way airflow control in a single fitting.\u003c\/strong\u003e Splits or merges airflow across three duct lines without additional connectors or reducers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepped diameter design for multi-size compatibility.\u003c\/strong\u003e Connects different duct sizes directly, reducing component count and simplifying ventilation system assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-resistance internal geometry.\u003c\/strong\u003e Maintains smooth airflow with minimal turbulence and static pressure loss at branch and transition points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid poly construction.\u003c\/strong\u003e Maintains shape under continuous airflow pressure for long-term reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eY2 Stepped Joiner.\u003c\/strong\u003e 250-200mm \/ 200-150mm \/ 200-150mm. Connects a 250mm main duct to two 150mm branches via integrated 200mm stepped transitions. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e250mm to 200mm Poly Adapter Reducer\u003c\/li\u003e\n\u003cli\u003e200mm to 150mm Poly Adapter Reducer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStepped Y duct joiner for 3-way airflow splitting in hydroponic grow rooms Australia\u003c\/li\u003e\n\u003cli\u003eMulti-size duct connector for grow tent inline fan and carbon filter ventilation systems\u003c\/li\u003e\n\u003cli\u003e3-way ventilation fitting for multi-branch ducting configurations in indoor cultivation\u003c\/li\u003e\n\u003cli\u003eHVAC duct branching connector for controlled environment agriculture systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic grow rooms.\u003c\/strong\u003e Single fitting replaces multiple reducers and Y connectors for cleaner, lower-resistance multi-branch ventilation layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrow tent airflow systems.\u003c\/strong\u003e Compact stepped design suits enclosed tent environments where space and component count are critical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline fan and carbon filter configurations.\u003c\/strong\u003e Enables a single fan to serve multiple duct branches of different diameters without additional adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-branch ducting setups.\u003c\/strong\u003e Simplifies complex ventilation layouts requiring airflow distribution across zones of different duct sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType.\u003c\/strong\u003e Stepped Y duct joiner, 3-way configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e Rigid polymer (poly) construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration.\u003c\/strong\u003e Y2: 250-200mm \/ 200-150mm \/ 200-150mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponic ventilation, grow room airflow, HVAC duct branching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility.\u003c\/strong\u003e Standard flexible ducting, inline fans, carbon filters, poly adapter reducers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code.\u003c\/strong\u003e 391790\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size do I need for Stepped Y Duct Joiner?\u003c\/h3\u003e\n\u003cp\u003eDucting and ventilation fittings are sized by internal diameter in millimetres (100mm, 125mm, 150mm, 200mm). Always match your fittings to your fan and filter flange size. Standard grow tent setups use 100mm or 125mm ducting for small tents and 150mm or 200mm for larger tents running higher-output fans and carbon filters.\u003c\/p\u003e\n\u003ch3\u003eWhat material should my ducting be made from?\u003c\/h3\u003e\n\u003cp\u003eFor most indoor growing applications, flexible aluminium ducting is the standard choice — it is lightweight, easy to route around obstacles, and resistant to the humidity levels found in grow tents. Acoustic or insulated ducting is recommended if noise reduction is a priority. Rigid ducting offers lower airflow resistance but is more complex to install.\u003c\/p\u003e\n\u003ch3\u003eDoes Stepped Y Duct Joiner ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes — Stepped Y Duct Joiner ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2–5 business days. WA, NT, and TAS orders typically arrive within 5–12 business days.\u003c\/p\u003e","brand":"Apex Grow","offers":[{"title":"250-200\/200-150\/200-150 Y2","offer_id":43197797007423,"sku":"YJOIN-Y2","price":39.95,"currency_code":"AUD","in_stock":true},{"title":"300-250\/250-200\/250-200 Y3","offer_id":43197797040191,"sku":"YJOIN-Y3","price":39.95,"currency_code":"AUD","in_stock":true},{"title":"350-300\/300-250\/300-250 Y4","offer_id":43197797072959,"sku":"YJOIN-Y4","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/J1801-600x849.jpg?v=1777523811","url":"https:\/\/apexgrow.com.au\/products\/stepped-y-duct-joiner-hydroponic-ventilation","provider":"Apex Grow","version":"1.0","type":"link"}