Kair 4 inch PVC flexible hose 3 metre

Kair PVC flexible ducting is a practical way to connect appliances that need reliable air movement, from tumble dryers to cooker hoods. With a 4 inch, 102 mm external diameter, this hose helps you route ventilation where a rigid duct would be awkward. It is supplied as a 3 metre length, making it useful for typical in home installations where you need flexibility without overcomplicating the run. ✅

The essentials

If you are dealing with an existing setup that needs a dependable replacement duct, a flexible PVC hose can be a straightforward option. The Kair hose is designed around a 4 inch format, using a 102 mm external diameter for compatibility with common ventilation connections. Its flexible plastic construction is handy when you need to shape the duct route around obstacles, while still keeping the airflow path clear enough for day to day use. 👌

This length is 3 metres, which suits many standard appliance venting layouts where you need some reach. It is also listed for multiple appliance types, including tumble dryer ventilation, cooker hood extraction, extractor fan setups, and air conditioning ducting. Tenable performance matters most in ventilation, so it is worth choosing a size that matches your connection points rather than trying to force an incompatible fit.

Key features

The main draw here is the size and flexibility pairing, so installation stays manageable while still targeting the correct duct diameter. Kair specifies a 102 mm diameter for this hose, corresponding to the 4 inch category, which is often the missing detail when people are replacing ducting mid project. The hose is supplied as a single 3 metre length, which can reduce the need for extra joining pieces depending on your route. 🧰

You may also find it useful when you need to reroute the ducting slightly because of positioning changes. Flexible PVC hoses can absorb small alignment differences, and that can make fitting easier during upgrades or repairs. Take care during installation to avoid tight kinks, because maintaining a smooth path helps the airflow route stay as intended.

It is also worth noting that this is ventilation ducting for air movement systems, not a general purpose hose for carrying unrelated materials. If your appliance manual specifies duct type and diameter, follow those instructions so you are working within the manufacturer requirements. That practical step tends to prevent the most common issues during setup.

Tech specs

• Name: Kair PVC Flexible Hose
• Type: Plastic air conditioning and ventilation ducting hose
• Size: 4 inch, 102 mm external diameter
• Length: 3 metre length
• Material: PVC flexible plastic
• System code: SYS-100

What’s in your setup

A hose like this makes sense if you are fitting or replacing ducting for common home ventilation tasks. It suits tumble dryer ventilation runs, cooker hood extraction ducting, and extractor fan style installations where a flexible duct helps manage the route. It can also be used for air conditioning ducting where the appliance system calls for a 4 inch compatible duct size.

It’s not for you if your connection requirements demand a different diameter or a non flexible duct specification. It may also not suit layouts that require a completely rigid duct route without any shaping, because flexible hoses are typically chosen for manoeuvring and general fit rather than for straight, hard duct runs. If you prioritise matching the 4 inch size and getting the correct 3 metre coverage for your path, this Kair hose is a dependable candidate for the job. ✅