The for of the ventilation flange is smooth, which is conducive to connecting the air duct. Full series with pressure groove technology, the connecting pipe is not easy to fall off;. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use.
eBay
Telescopic Gardening Water Pipe, High-Pressure Water Gun, Equipped With Storage Bag, 3/4 American Standard, Gardening Tools
Aliexpress UK
1 Dryer Ventilation Pipe. Construction: The dryer vent hose is crafted from high-quality aluminum that is resistant to high temperatures, long-lasting performance in various conditions. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Garden irrigation 1/2" 3/4" 1" Internal Thread Faucet Adapter Quick connectors Garden Water pipe connection accessories 1 pc
Aliexpress UK
【Function】Duct Reducer Tool can be used to connect two different size duct to creating a seamless ventilation system pipe. 1 Air Duct Adapter. 【Easy to Install】just connect the two ends of the connector with pipes of appropriate size.
eBay
Sewer Jet Nozzle Kit Stainless Steel Sewer Jetter 1/4 Quick Connect for Pressure Washer Drain Sewer Cleaning Tool Pipe System
Aliexpress UK
Function:-to-two pipeline. It is perfectly for connect your ventilation duct and flexible hose. ABS T/Y Shape Duct Connector. Use: fresh air duct connection. 1 T Shape Duct Connector. 1 Y Shape Duct Connector.
eBay
KESLA 4PCS 1/2" 3/4" Female Thread Connector To Barb 16mm 20mm PE Hose Adapter Irrigation Planter Drip System Garden Pipe Repair
Aliexpress UK
Manufacturer CTDMJ. Applicable temperature range: 0 ~ 110 ℃. Round pipe adapter for connecting round pipes, flexi hoses and fan pins. ✅ 【WIDE RANGE OF APPLICATIONS】 ✅ Use of ducting reducer 150mm to 100mm bend, two different caliber for a perfect connection.
eBay
Dual lens Industrial Endoscope Camera 4.3'' IPS Screen HD1080P Rigid Cable Pipe Sewer Inspection Borescope IP67 Waterproof
Aliexpress UK
Bullet Points: 1. Air throughput up to 198 m3/h. Equipped with ball bearings to ensure that the duct fan operates with low noise, about 31dB. Unlike noisy EC chimney duct fans, this fan is worth your money in the long run.
eBay
Electric Sprayer with 2/4 Nozzles Garden Watering Spray Gun with 2/3/5/6/8m Pipes Type-C/USB Telescopic Handle Irrigation Tools
Aliexpress UK
0.5m Universal Car Air Intake Ducting Pipe Flexible Air Vent Ventilation Hose Tube Hot Cold Cooling Transfer Extractor 20~115mm. Silicone ducting with wire helix ,flexible,heat resistance,light weight.
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Roma 3 Inch 4 Inch / 150mm 175mm 3K Carbon Fiber Board Frame Kit X Type with 3D Printing For FPV Drone Quadrocopter
Aliexpress UK
150mm(180 150 60mm(6in)). 100mm（140 96 60mm(4in)）. For connection between pipe ends. 1 Straight Pipe Flange Connector. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
4-inch /6-inch Outdoor multifunctional pruning saw garden saw woodworking hand chainsaw household logging mini saw.
Aliexpress UK