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Airtight Self-Seal Ducting 

Please note most of our hoods have a motor outlet of 150mm. You will require a reducer collar to use System125 ducting.  

We highly recommend using the largest possible size ducting on every installation to maximise air flow. 

Please check each product specification guide to determine what size duct you require.

125mm to 100mm Ducting Reducer Collar 

125mm to 100mm Reducer Collar

This reducer collar is used to reduce the ducting size from 5" to 4" ( 125mm to 100mm)

This reducer should only be used on kitchen extractors that state 4" ducting can be used. Luxair recommend that you read our fitting instructions on each product if you are unsure if this is the correct part.

This reducer is part of our System125 range, commonly referred to as 5 inch ducting, due to the round pipe being 125mm / 5" wide. This system includes both 150mm x 70mm flat ducting and 125mm round ducting as they both have similar airflow rates. We supply adapters should you need to switch between these sizes:

Sys125 Round to Flat Adapter 

Sys125 Round to Flat Elbow

System 125 Ducting Quick Links

Quick Links

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Part N° 2A

Part N° 3A

Part N° 4A

Aluminium Ducting Tape

Kitchen Extractor Ducting Chart

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125mm to 100mm Ducting Reducer Collar System125

  • £3.95

  • Ex Tax: £3.29

Tags: 125mm-to-100mm-ducting-reducer-collar