Connecting Flanges UK | Metal Ventilation Duct Connector Flanges
Connecting Flanges are galvanised metal ventilation connectors designed to join ducting, extractor fans, carbon filters, and ventilation equipment within grow room extraction systems. Built for secure airtight airflow connections, these durable flanges are ideal for grow tents, hydroponic systems, and HVAC ventilation setups.
- ✔ Metal ventilation connector flanges
- ✔ Creates secure airtight ducting joins
- ✔ Durable galvanised steel construction
- ✔ Compatible with aluminium and acoustic ducting
- ✔ Ideal for grow rooms, grow tents, and HVAC systems
Price range: £2.50 through £11.50 incl. Vat
Connecting
🌬 Ventilation Connector Guide & Product Information
🌱 Secure & Efficient Ventilation Connections
Connecting Flanges are designed to join ventilation components together within grow room extraction and intake systems. They create secure airtight duct connections between fans, filters, silencers, ducting, and ventilation equipment while helping maintain efficient airflow throughout the system.
These flanges are essential components in professional grow room ventilation setups where secure, leak-free airflow connections are required for proper environmental control and odour management.
If you are improving your grow room extraction setup, read our guide to proper grow room ventilation.
- ✔ Creates secure airtight ventilation joins
- ✔ Helps maintain efficient airflow performance
- ✔ Suitable for professional grow room systems
🛠 Durable Galvanised Steel Construction
Connecting Flanges are manufactured from strong galvanised steel designed for long-term use in humid grow room environments. Their rigid metal construction provides excellent durability while helping maintain secure ventilation system connections.
The smooth internal airflow design helps minimise restriction and turbulence within the extraction system, supporting improved ventilation efficiency.
- ✔ Heavy-duty galvanised steel construction
- ✔ Corrosion-resistant finish
- ✔ Smooth airflow-friendly design
- ✔ Suitable for long-term ventilation use
📏 Available Sizes
Connecting Flanges are available in multiple diameters to suit a wide range of grow room ventilation systems and extraction equipment.
- ✔ 4″ / 100mm
- ✔ 5″ / 125mm
- ✔ 6″ / 150mm
- ✔ 8″ / 200mm
- ✔ 10″ / 250mm
- ✔ 12″ / 315mm
Using the correct flange diameter helps maintain efficient airflow and ensures compatibility with extractor fans, carbon filters, and ducting systems.
🌬 Common Uses for Connecting Flanges
Connecting Flanges are widely used throughout grow room and commercial HVAC ventilation systems.
- ✔ Joining ducting sections together
- ✔ Connecting extractor fans to ventilation systems
- ✔ Installing carbon filters and silencers
- ✔ Suitable for intake and extraction airflow systems
🔧 Easy Installation
Connecting Flanges are designed for quick installation with most standard ventilation systems.
- ✔ Attach compatible ducting to flange connection
- ✔ Secure using quick release clamps or METU clamps
- ✔ Ensure airtight joins for best airflow
- ✔ Compatible with insulated and aluminium ducting
For a complete ventilation setup, pair with extractor fans, carbon filters, combi ducting, and quick release clamps.
🌿 Compatibility
Connecting Flanges are compatible with most standard grow room and HVAC ventilation systems.
- ✔ Suitable for aluminium and acoustic ducting
- ✔ Compatible with inline and mixed-flow extractor fans
- ✔ Ideal for grow tents and grow rooms
❓ FAQ
What is a connecting flange used for?
A connecting flange is used to securely join ventilation components and ducting within extraction systems.
What sizes are available?
Available sizes include 4″/100mm, 5″/125mm, 6″/150mm, 8″/200mm, 10″/250mm, and 12″/315mm.
Can this be used with insulated ducting?
Yes, Connecting Flanges are compatible with both standard aluminium and acoustic insulated ducting.
Are they suitable for grow rooms?
Yes, they are ideal for grow tents, grow rooms, and HVAC ventilation systems.
How are they installed?
They are fitted between ventilation components and secured using clamps for airtight airflow connections.

