Categories

  • Hydroponic Systems and Kits
    • Show All

    • Aeroponics

    • Deep Water Culture (DWC)

      • Bulkheads UC Current Culture

    • Handwatered

    • Indoor Tent Kit

    • Kitchen Kits and lights

    • Lighting Kits

    • Microgreens and Fodder

    • Network Gravity System

      • Autopot brand kits

    • NFT Channels

    • Run to waste

    • Small areas and balcony kits

    • SOLO channel systems

    • Starter kits

    • Towers Vertical Planters and Wall Gardens

    • Trickle Feed Drip Feed Recirculating Kits

      • Flo-Gro and Wilma kits

      • Satellite kits

    • Vegepod

    • Videos on Hydroponics

    • Hydroponic Watering Systems & Hydroponic Pump

      • Bulkheads

      • Feed rings

      • Float Valves

      • Flood and Drain

      • Floraflex

      • irrigation 13mm

      • irrigation 19mm

      • irrigation 25mm

      • irrigation 4mm

      • irrigation 6mm

      • Uniseals

      • Venturis

      • Water filters

      • irrigation general

    • School hydroponic projects

    • Plastic trays crates tanks other

      • Wheelie Bins as tanks

      • Buckets and Pails

      • Flexible Aqua tanks

      • NFT Gully Channels

      • Plastic Tanks and crates

      • Plastic Trays

    • Pots - plastic, fabric, saucers, other

      • Aeroponic/Basket Pots

      • Air pruning

      • Antispiral Pots

      • Fabric Pots

      • Large 400mm+

      • Medium 200-400mm

      • Net Pot

      • NF Pro Pot system

      • NFT Pot

      • Oxypot

      • Planters

      • Plastic planter bags

      • Pot Inserts/Grids

      • Pot Insulation

      • Pot Kits

      • Pot Sox

      • Round Pots

      • Saucer trays

      • Small up to 200mm

      • Square Pots

    • Water Pumps - Air pumps

      • Air Pumps and Air Stones

      • DC Pumps 12V etc

      • Water Pumps

      • Water Pumps Aquaponics

    • Frame Aluminium Qubelock

  • Growing Media Substrates
    • Show All

    • Clay

    • Coco

      • Coco chip

    • Coco-Perlite

    • Other

    • Peat / Terra

    • Perlite

    • Rockwool

    • Rockwool Cartons

    • Soil

    • Supersoil

    • Vermiculite

    • Eazy-plug propagation

  • Nutrients and Additives
    • Show All

    • Grow Research Nutrients

      • Performance Grow

      • Performance Flower

      • Performance Fruit

      • Performance Coco

      • Additives

        • Calcium Magnesium

        • Flowering Boost

        • Hydroshield Sanitant

        • Roots - Drive

        • Silica Plus

        • Silica spray

        • Super Weight PK1314

        • Super wet foliar and coco

        • The Final Enhancer

      • All purpose nutrients

      • Clone nutrient

      • Single Part

      • Starters packs

    • By Usage

      • Calcium Magnesium Supplement boosters

      • crop specific

      • Flowering Boosters

      • Flowering stage nutrients indoors

      • Grow stage nutrients indoors

      • Home Veggies Nutrient

      • Nutrients for COCO COIR

      • Pre-Flowering Stage nutrient indoor

      • Root boosters

      • Silica

      • Starters packs

      • Vitamin Boosters

      • Water Sanitant

      • Wetting Agent

    • Canna

      • Canna Additives

      • Canna Aqua

      • Canna Coco

      • Canna Terra

      • Classic Flores

      • Classic Vega

      • Taps and spanners

    • Health and Hydroponics

    • House and Garden

      • H&G Additives

      • House and Garden Bloom

      • House and Garden Grow

      • Starter Kit

    • Advanced Nutrients

    • Aptus

    • Athena

    • BAC

    • Bio Diesel Nutrients

    • Byron Bay Gold

    • Commercial / Farm products

      • Commercial nutrient formulas

      • Nutrient ingredients

    • Cure Additives

    • Current Culture H20

    • Cyco

      • Cyco Additives

      • Cyco Flower/Bloom

      • Cyco Grow

      • Cyco packages

      • Starter Packs

    • Dutch Fest

    • EcoCrop

    • Elements

    • Extreme

    • Feminisers

    • FloraMax

    • Green House Feeding

      • Additive

      • Bloom

      • Grow

    • Green Planet

    • Grotek

    • Growth Technology

      • Focus range

    • Hy-Gen

    • Hydroponic Additives Flower

    • Hydroponic Additives General

    • Hydroponic Additives Grow

    • Hydroponic Additives Roots

    • Hydroponic Nutrients

    • Impello Biosciences

    • ISN (International Superior Nutrients)

      • Additives

      • Base Nutrients

    • Liquid Science

    • Mills

      • Mills Additives

      • Mills Nutrients

    • Nulife Technologies

      • Nulife Additives

      • Nulife Nutrients

    • Nutrifield

      • Additives

      • Coco

      • Nutrifield Bloom

      • Nutrifield Grow

    • Ozi Magic

    • Plant Mechanics

    • Powdered Nutrients

    • Power SI

    • Professor's Nutrients

      • Additives

      • Cleaner

    • Reiziger

      • Bloom Nutrients and Additives

      • Grow Nutrients and Additives

      • Reiziger Bud Booster

      • Reiziger Root Booster

    • Rock

      • Additives

    • Sensi Pro

    • Starter Kits

    • Super Si

  • Lighting
    • Show All

    • LED Lights

      • High Output LED growlights

        • UV Bloomboost LED bars

      • Bar LED Lighting

      • Digi-Lumen LED

      • HydroLED Edge

      • Led Lamps and fittings

      • Lumatek LED Lighting

      • Side lighting

      • UFO and Quantum Board type LED's

      • ULIGHT LEDs

      • UV Bloom boost LED lighting

    • Lighting Packages

      • 250W HPS Kits

      • 400Watt

      • 600W

    • Ceramic Metal Halide

      • CMH Bulbs

      • Hi Par CMH Lights

      • Sol Sense CMH Lights

    • Fluorescent Lights

    • HPS/HID Lights

      • 1000w HPS and MH

      • 250w HPS

        • Osram

      • 400w HPS

        • Cultiv8

      • 600W - 400V HPS High Voltage Lighting

        • Lumatek 600w 400v

      • 600w HPS

        • Cultiv8

        • Hi Par

        • Lumatek

      • 750w HPS

      • Gavita HPS Lighting

    • Light Control Unit Ballast Box

    • Light Hangers and Chain

    • Lighting Fittings and Reflectors

      • Cool Tube Reflector

      • Fluorescent fittings

      • Reflectors

    • Lighting for houseplants

    • Lighting Mover

      • replacement parts

    • Metal Halide

    • Reflectors

    • Spectrometer/PAR meters

    • Timers Controllers

    • Colour correction safety glasses

  • Growing Environment and Ventilation
    • Show All

    • Fans

      • Centrifugal Fans

      • Circulation

      • Fan Packages

      • Headwind EC fans

      • Inline Fans

      • Mixed flow fan

      • Silenced Fans

      • Silencers / mufflers

      • Speed and Temp Control

      • Electronic EC fans

      • Hyperfan electronic fans

    • Tents, Grow Rooms and Greenhouses

      • Seahawk Tents - popular

      • Gorilla Tents

      • Parts for tents

      • Reflective plastic, films and shadecloth

      • Tent Accessories

        • Cable Ties

        • Support/Nettting

      • Tent Package

    • Air Filters

      • Bug Net Filter

      • Fan/Filter Package

        • 100-150mm

        • 200mm and Larger

      • Intake Inlet Filters

    • Carbon Filters

      • 100-150mm

      • 200mm and Larger

      • Adaptors and Collars

      • In-Line Carbon Filter

    • CO2/Carbon Dioxide

    • Dehumidifiers

    • Ducting

      • Acoustic Ducting

      • Black Ducting

      • Clamps

      • Heavy Duty Ducting

      • Joiners

      • Reducer Increaser

      • Shutters

      • Splitters

      • Tape

      • Wall Ceiling Joiners

      • Y Joiners

    • Heaters

    • Humidifiers

    • Ozone Generators

    • Pesticides and Fungicides

      • Videos on pests/fungus

      • Caterpillar Pesticides

      • Foggers and Sprayers

      • Fungicides Mildew Mould

      • Natural treatment

      • Root Rot

      • Scarid fly larvae / Fungus gnats

      • Spider Mites

      • Whitefly

    • Testers and meters

      • Bluelab

      • Nutrient Dosers

      • Nutrient strength EC ppm

        • Calibration Solution

        • Meters testers

      • PH

        • PH Calibration Solution

        • pH Down

        • PH Storage Solution

        • pH Testers

        • pH Up

      • Temperature

      • Trolmaster

    • Air Cooler Chiller

    • Water chillers coolers filters

      • Water filters

  • Propagation
    • Show All

    • Accessories

    • Aeroponic propagators

      • Turbo Klone

    • Cloning Package

    • Heat Mats

    • Mini Greenhouses

    • Pots / Trays

    • Propagation Lighting

    • Propagation Tent

    • Rooting Hormones

    • Seedling Media

    • Seeds

      • Microgreen seeds

  • Aquaponics
    • Show All

    • Air Pumps

    • Temperature Control

    • Testing

    • Trays, Tanks and Ponds

  • Harvest Equipment
    • Show All

    • Buckers

    • Glass storage and droppers

    • Herb processing

      • Boveda

      • Integra 2 way storage satchel

    • Magical Butter

    • Oil Extraction Fluid

    • Scissors

    • Storage & Vacuum Bags

      • Space Saver Bags

    • Trimmers

      • Centurion Trimmers

      • Manual trimmers

      • Pro Cut Trimmers

      • Trimpro Trimmers

      • Twister Trimmers

  • More
    • Show All

    • Alarms

    • Batteries

    • Bottles Cartons Packaging

    • Capillary Mat

    • Detox products

    • Electrical/power

    • Heaters for water

    • Measuring Jugs and Scales

    • Miscellaneous

    • Other

    • Plant support netting ties bamboo

      • Black 6in stretch nets seahawk

      • LST Low stress plant trainers

      • White 3.5in stretch netting Hydroaxis

    • Shop Items

    • Sprayer

    • Testing Equipment Nutrients

    • Testing Equipment Other

    • Testing Equipment pH

    • Timers

    • z Manufacturing ingredient

    • Books and Charts

New hours for Brisbane store open till 5pm and 1pm - 9-5 M-F and 9-1 Sat - We match competitors prices (conditions may apply) - ask our friendly staff  | Gold Coast Superstore hours and more | Brisbane store - click here for hours and details | More than 97% of Orders are dispatched within 4 working hours | See about us at the bottom of the page for more details.

  • Blog
  • About Us
Hydrocentre Hydroponics
0

Hydrocentre Gold Coast

4/46-50 Spencer Road,
Nerang, 4211, QLD

  • (07) 5527 4155

View

Hydrocentre Brisbane

109 Grand Plaza Drive,
Browns Plains, 4118, QLD

  • Now Open
  • (07) 3440 2953

View

0
  • Hydroponic Systems and Kits
  • Growing Media Substrates
  • Nutrients and Additives
  • Lighting
  • Growing Environment and Ventilation
  • Propagation
  • Aquaponics
  • Harvest Equipment
  • My AccountAmino treatment 1L H+G with silica
  1. Home
  2. Growing Environment and Ventilation
  3. Ducting
  4. Splitters
  5. Y duct plain poly adaptor for 250mm ducting 300-250 x 250-200 x 250-200 (Y3) Y fitting
Y duct plain poly adaptor for 250mm ducting 300-250 x 250-200 x 250-200 (Y3) Y fitting Y duct plain poly adaptor for 250mm ducting 300-250 x 250-200 x 250-200 (Y3) Y fitting

Y duct plain poly adaptor for 250mm ducting 300-250 x 250-200 x 250-200 (Y3) Y fitting

$42.00AUD
  • Brisbane 1 in stock
  • Gold Coast Low Stock - Call Us
Write a review

or 4 payments of $10.50 with Info



Bulky Item

Calculate Shipping

Y duct adaptor for 250mm ducting 300-250 x 250-200 x 250-200

Notify me when back in stock

Please tick this box to proceed.
  • Product Description
  • Product Specifications
  • Product Reviews
  • Calculate Shipping

Poly fitting to split fan ducting. 

Mostly used for same size ducting 300 x 300 x 300mm

stepped design allows step up from smaller ducting so a 250/300mm end can fit either 250 or 300mm size ducting on that end. and 300.350 can step up the exit of the ducting.

 

SKU DYY3
Shipping Weight 12.0000kg
Type Fan Ducting and accessories

Be The First To Review This Product!

Help other Hydrocentre Hydroponics users shop smarter by writing reviews for products you have purchased.

Write a product review

Calculate Shipping

More From This Category

Y duct Y4 300mm plain poly adaptor for 300mm ducting 350-300 x 300-250 x 300-250 Y4 Y fitting

Y duct Y4 300mm plain poly adaptor for 300mm ducti

Splitters

$55.00 AUD

Bulky Item

or 4 payments of $13.75 with Info

Backorder

Backorders are dispatched in 1-7 days details

Hydrocentre Hydroponics

We offer an extensive range of hydroponics supplies, available in store and online.

ABN: 49138933696

INFORMATION
  • Terms of Use
  • Privacy Policy
  • Returns Policy
  • Security Policy
  • Delivery Policy
ABOUT
  • About Us
  • Blog
  • FAQs
  • Free Hydroponics Lessons
SUPPORT
  • My Account
  • Track Your Order
  • Resolution Centre
  • Contact
Address

Hydrocentre Gold Coast

4/46-50 Spencer Road,
Nerang, 4211, QLD

  • (07) 5527 4155

View

Hydrocentre Brisbane

109 Grand Plaza Drive,
Browns Plains, 4118, QLD

  • Now Open
  • (07) 3440 2953

View

© 2025 Hydrocentre Hydroponics. All Rights Reserved.
  • Terms & Conditions
  • Privacy Policy
  • Website by

You've just added an item on backorder. 

Backorders are products that are on their way to us from suppliers.
Backorders will be dispatched to you as soon as they arrive - usually in 1-7 days
If you want to contact us we can let you know the delay.
We will send you an ETA as soon as we can, and you can cancel the backorder and get a full refund if you want to.

Do you wish to proceed knowing there will be a delay of around 1-7 days?

(If you have urgent items as well as Backorder items, please send as two separate orders so the urgent items go out immediately.)

You’ve just added a Pick-Up only Item to your cart!

The item you have added to your cart was a Pick-Up only item and will make your order a Pick-Up order if you choose to continue.

To reverse this, press close and the item will not be added to your cart.

Afterpay

Shop Now. Pay Later.
Always interest-free.

Add your favourites to cart

Select Afterpay at checkout

Log into or create your Afterpay account, with instant approval decision

Your purchase will be split into 4 payments, payable every 2 weeks

All you need to apply is to have a debit or credit card, to be over 18 years of age, and to be a resident of country offering Afterpay

Late fees and additional eligibility criteria apply. The first payment may be due at the time of purchase
For complete terms visit afterpay.com/terms

Apply Filters