These reducers allow you to connect a 25mm conduit pipe to a 20mm conduit pipe.
eBay
Garden Water Hose Expandable Double Metal Connector High Pressure Pvc Reel Magic Water Pipes for Garden Farm Irrigation Car Wash
Aliexpress UK
32mm Hub x 20mm HubHub by hub solvent-welded connectionsWill not crack, change color or degrade over time like other sub-par PVC fittings.Use to reduce or increase pipe sizes.Conveniently packaged in quantities of 5.
eBay
1m ~ 10m PVC Transparent Hoses Diameter 2/3/4/5/6/8/10/12/14/16/18/20/25mm Plastic Hose High Quality Garden Tube Water Pipe
Aliexpress UK
These reducers allow you to connect a 25mm conduit pipe to a 20mm conduit pipe.
eBay
1Pcs 1/2" Garden Hose Connector - 12mm PVC Extension Joint Adapter for Irrigation Systems & Water Pipe Repair
Aliexpress UK
200 X 110mm, 200 X 160mm. Gluing (Gluing on the Inside of the Pvc Pipe Fittings and the Outside of the Pipe Fittings. Application : Garden Irrigation, Aquarium Needs, Pipe Connection. Material: Pvc. ● This pipe is suitable for drinking water pipes, sewage pipes, swimming pool pipes, aquarium pipes. ).
eBay
20/25/32/40/50mm Thread and Socket Type Pipe PVC Valve Agriculture Garden Irrigation Fittings 1Pc
Aliexpress UK
Unit Quantity1. Festo Automation Motors.
eBay
Garden Water Hose Expandable Double Metal Connector High Pressure Pvc Reel Magic Water Pipes for Garden Farm Irrigation Car Wash
Aliexpress UK
Gluing (Gluing on the Inside of the Pvc Pipe Fittings and the Outside of the Pipe. 20, 25, 32, 40, 50, 63, 75, 90, 110, 160, 200mm Elbow, Tee, Cap or Sleeve. ⇒ Application: Garden Irrigation, Aquarium Needs, Pipe Connection. ).
eBay
2pcs PVC Female Thread End Cap Connector 20mm/25mm/32mm Hose Connector With Rubber Seals Water Pipe Connector Fittings
Aliexpress UK
PVC Reducer Pipe FittingProduct Details1.Instruction: The socket openings are bonded by PVC special glue (NOT included here). Apply glue on the inside and outside of the pipe, then insert within 1 minute, set in 15 minutes, and use after 24 hours for better effect2.Advantage: PVC connectors with thickened inner wall feature smooth surface, corrosion resistance, good strength and thermal stability, watertight, and long service life3.Shape: Straight; Height: 81mm / 3.19 inch; Big Diameters: 83.52x75mm / 3.29x2.95 inch (OD*ID); Small Diameters: 45.98x40mm / 1.81x1.57 inch (OD*ID); Package Content: 1 x Reducer Fitting4.Application: Reducing pipe fittings are great for connecting two unthreaded water supply pipes in different outside diameters requiring high tensile strength.
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2m PVC Hose Tube Soft Pipe 10X13MM,10X16MM For PC Water Cooling, Multi Colors, 2 Meters Pack
Aliexpress UK
APPLICATION RANGE:Commonly used for connecting two unthreaded water pipes or fittings together in the water pipe system. Suitable for places like home garden irrigation, underground sprinkler system, and swimming pool.DURABLE DESIGN:PVC material has good hardness and corrosion resistance, durable to use.Easy to install, use some primer on the slip part. Then apply the PVC glue(also referred to as PVC cement) and connect them.Smooth surface, reducing friction when you connect to a metal pipe or fitting.PACKAGE INCLUDE:2 Pack of PVC pipe fittings, which size is : 46.5 x 52.7mm / 1.83 inch x 2.08-inch (D*H), inner diameter is 20mm / 0.79", 40mm / 1.58"NEED ATTENTION:1.Not suitable for hot water, max operating temperature is about 60 celsius degrees.2.
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9.5mm*12.7mm OD3/8' PVC PC Water Cooling Hose Tube Soft Pipe Flexible Tube, Blue White Black Red Green Transparent
Aliexpress UK