On one side there is a 150mm (6 inch) female spigot. Will fit over male fittings (bends etc). Requires additional 150mm connector to connect round 150mm pipe.

Round Reducer White 150-120mm - Screwfix Manrose Round Reducer White 150-120mm - Screwfix

If you wish to connect this to Kair 150mm Straight Pipe Part: DUCVKC650 you will require a male connector / coupling Part: DUCVKC365. Kit contents: 0605 12 12 Fluoropolymer Tape, 3000 71 00 Tube Cutter, 4 mm (Dia.) Blanking Plugs x 20, 4 mm (Dia.) Equal & Unequal Tee x 10, 4 mm (Dia.) Male Stud Coupling x 20, 4 mm (Dia.) Male Stud Elbow x 10, 4 mm (Dia.) Reducer x 10, 4 mm (Dia.) Tube to Tube Connector x 10, 6 mm (Dia.) Blanking Plugs x 20, 6 mm (Dia.) Equal & Unequal Elbow x 10, 6 mm (Dia.) Equal & Unequal Tee x 10, 6 mm (Dia.) Male Stud Coupling x 20, 6 mm (Dia.) Male Stud Elbow x 10, 6 mm (Dia.) Reducer x 10, 6 mm (Dia.) Tube to Tube Connector x 10, 8 mm (Dia.) Blanking Plugs x 20, 8 mm (Dia.) Equal & Unequal Elbow x 10, 8 mm (Dia.) Equal & Unequal Tee x 10, 8 mm (Dia.) Male Stud Coupling x 20, 8 mm (Dia.) Male Stud Elbow x 10, 8 mm (Dia.) Tube to Tube Connector x 10 Kit contents: 4-6mm Reducer, 4mm Blanking Plug, 4mm Equal Elbow, 4mm Equal Tee, 4mm Straight Connector, 6-8mm Reducer, 6mm Blanking Plug, 6mm Equal Elbow, 6mm Equal Tee, 6mm Straight Connector, 8mm Blanking Plug, 8mm Equal Elbow, 8mm Equal Tee, 8mm Straight Connector, G1/4 Male Stud, G1/4 Male Stud Elbow, G1/8 Male Stud, G1/8 Male Stud Elbow, M5x0.8 Male Stud, M5x0.8 Male Stud Elbow, PTFE Tape, Tube CutterReducer, 4mm Blanking Plug, 4mm Equal Elbow, 4mm Equal Tee, 4mm Straight Connector, 6-8mm Reducer, 6mm Blanking Plug, 6mm Equal Elbow, 6mm Equal Tee, 6mm Straight Connector, 8mm Blanking Plug, 8mm Equal Elbow, 8mm Equal Tee, 8mm Straight Connector, PTFE Tape, R1/4 Male Stud, R1/4 Male Stud Elbow, R1/8 Male Stud, R1/8 Male Stud Elbow, Tube Cutter (1) Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Fans, or Cooker Hoods and other ventilation applications. Material: carbon steel to ASTM SA-234 Grade B, Concentric type: weld on, Schedule: 40, Dimensions conform to ASME B16.9, Nominal pipe size of ends: 6 and 4, Length: 5.5, Approximate ship weight: 7.4 lbs Whilst we will make every effort to deliver your goods within the stated/requested time frame, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules, so we would recommend not to start/schedule any work until the goods arrive. Due to logistics of various couriers and suppliers we are unable to give times of deliveries. Deliveries can take place from as earlier as 07:30 right up to 18:00 depending on the courier/haulier and considering local traffic etc. Sometimes goods can be delivered in multiple deliveries, this is due to some items coming direct from suppliers or our own yard. If this is the case, multiple charges will be combined at the basket.

6 X 4 inch carbon steel concentric reducers Pipe Fittings Direct. 6 X 4 inch carbon steel concentric reducers

Kit contents: 4-6mm Reducer, 4mm Blanking Plug, 4mm Equal Elbow, 4mm Equal Tee, 4mm Straight Connector, 6-8mm Reducer, 6mm Blanking Plug, 6mm Equal Elbow, 6mm Equal Tee, 6mm Straight Connector, 8mm Blanking Plug, 8mm Equal Elbow, 8mm Equal Tee, 8mm Straight Connector, PTFE Tape, R1/4 Male Stud, R1/4 Male Stud Elbow, R1/8 Male Stud, R1/8 Male Stud Elbow, Tube Cutter RS Components & Controls (I) Ltd Head Office - 1701/1, 7th Floor, Tower No -I, Express Trade Tower – male and will fit inside Kair 100mm straight ducting Part: DUCVKC250 without the need for a connector.