{"product_id":"aqua-medic-reducing-t-piece","title":"Aqua Medic Reducing T Piece - 4\/6mm","description":"\u003cp\u003e\u003cstrong\u003eTaps a 4\/6 mm control line off a larger hose run without cutting into new tubing.\u003c\/strong\u003e The Aqua Medic Reducing T-Piece is a barbed PVC fitting that splits a smaller branch line off a main reactor, filter or dosing hose run. It's the fitting used to bring a CO2 line into a reactor, or a dosing line into a return, while keeping the main flow path in one continuous hose size.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarbed push-fit connections\u003c\/strong\u003e — grips standard flexible aquarium hose without extra clamps in most low-pressure runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC construction\u003c\/strong\u003e — resists the salt creep and constant wetting typical of reactor and dosing plumbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 4\/6 mm branch outlet\u003c\/strong\u003e — matches Aqua Medic's dosing pump and CO2 line tubing size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree main-line sizes\u003c\/strong\u003e — 12\/16 mm, 9\/12 mm or 16\/22 mm, so it fits directly into the hose size already running on your reactor, filter or return line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting type\u003c\/th\u003e\n\u003ctd\u003eBarbed T-piece, push-fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBranch outlet\u003c\/th\u003e\n\u003ctd\u003e4\/6 mm (fixed on all variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMain line sizes available\u003c\/th\u003e\n\u003ctd\u003e12\/16 mm, 9\/12 mm, 16\/22 mm (select at variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eMain line size\u003c\/th\u003e\n\u003cth\u003eBranch outlet\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/16\u003c\/td\u003e\n\u003ctd\u003e12\/16 mm\u003c\/td\u003e\n\u003ctd\u003e4\/6 mm\u003c\/td\u003e\n\u003ctd\u003eAM41040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\/12\u003c\/td\u003e\n\u003ctd\u003e9\/12 mm\u003c\/td\u003e\n\u003ctd\u003e4\/6 mm\u003c\/td\u003e\n\u003ctd\u003eAM41041\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\/22\u003c\/td\u003e\n\u003ctd\u003e16\/22 mm\u003c\/td\u003e\n\u003ctd\u003e4\/6 mm\u003c\/td\u003e\n\u003ctd\u003eAM41042\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eMatch the main line size to the hose already fitted to your reactor, canister or return line — the branch side is 4\/6 mm on every variant.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e low-pressure gravity and pump-fed hose runs on reactors, canister filters, dosing systems and CO2 lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e high-pressure mains water plumbing, or as a structural joint under load — it's a hose barb fitting, not a threaded pressure fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eOne reducing T-piece, sized to the variant selected. Hose is not included.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects in addition to your rights under Australian Consumer Law. Small item, standard freight.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDoes the branch side always come out at 4\/6 mm?\u003c\/h4\u003e\u003cp\u003eYes — on all three variants the branch outlet is fixed at 4\/6 mm. Only the main line size changes between variants.\u003c\/p\u003e\u003ch4\u003eWill it fit my existing hose without extra tools?\u003c\/h4\u003e\u003cp\u003eThe barbed ends are a push fit onto standard flexible aquarium hose of the matching size. A hose clamp is recommended on any run under continuous pump pressure.\u003c\/p\u003e\u003ch4\u003eCan I use it to add a dosing line into a sump return?\u003c\/h4\u003e\u003cp\u003eYes, this is one of its common uses — select the main line variant matching your return hose, and run the dosing tube off the 4\/6 mm branch.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"12\/16","offer_id":55285033566499,"sku":"AM41040","price":15.95,"currency_code":"AUD","in_stock":false},{"title":"9\/12","offer_id":55335402864931,"sku":"AM41041","price":15.95,"currency_code":"AUD","in_stock":false},{"title":"16\/22","offer_id":55335402897699,"sku":"AM41042","price":15.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/14941_reducing-t-piece-2025-1600px_1.png?v=1786066028","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/aqua-medic-reducing-t-piece","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}