Ventilation Duct Reducers
Flexible Hose Ventilation Duct Reducer / Expander Adapter
Easily connect flexible ventilation hoses of different sizes with this durable PETG duct adapter. Ideal for kitchen hoods, bathroom exhaust fans, HVAC systems, workshops, grow tents, and general ventilation projects.
Whether you need to reduce or expand duct size, this adapter provides a secure connection while maintaining smooth airflow.
MEASUREMENTS:
Large end OD: 178mm
Large end ID: 170.5mm
Small end OD: 148mm
Small end ID: 140.5mm
Overall length: 116mm
(Measurement error: ±1mm)
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FEATURES
• Designed for flexible aluminum, plastic or PVC ventilation duct hose
• Printed in PETG engineering plastic
• UV-resistant and heat-resistant up to approximately 70°C
• Improved tapered ends for easier installation
• Integrated retention beads for a more secure hose connection
• Strong 2.6mm wall thickness
• Lightweight and corrosion-resistant
• Made in Malaysia
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SUITABLE FOR
• Kitchen hood exhaust systems
• Bathroom ventilation
• Workshop dust extraction
• HVAC ducting
• Grow tent ventilation
• General air circulation projects
• Wall openings and existing ventilation holes (measurement verification recommended)
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IMPORTANT COMPATIBILITY INFORMATION
This adapter is designed for flexible ventilation hoses only.
Compatible with:
Flexible aluminum ducting
Flexible PVC ducting
Flexible plastic ventilation hose
Existing wall openings of suitable diameter
Not compatible with:
PVC pipe
UPVC pipe
Plumbing pipe fittings
Please verify your measurements before ordering.
ORDER INFORMATION
• Hose, clamps and installation accessories are not included
Proudly designed and manufactured by ROSS3D in Malaysia.