Inlet/outlet caliber: 3/8" (10mm). VerRich 12V 72W Water Pump with pressure switch. Inlet and outlet size: 3/8" (10mm). The outlet has a mark on it. And suggest to use a filter in the inlet side. Built-in pressure switch, automatically turns off without water.
eBay
Mini 370 Water Pump DC 7.4V 12V Self-priming Diaphragm Pump 3 Meters Lift Suction Pump Large Flow 1L/m for Water Dispenser
Aliexpress UK
Power (max): 70W. Self priming, silent running, low power consumption. This is a high quality DC micro diaphragm pump. 1pc x Diaphragm Water Pump (Water pump only, others are NOT Included.). Waterfall WidthN/A.
eBay
RL5101-2PM 12V Micro Vacuum Pump 24V Low Noise High Flow Vacuum Pump Beauty Instrument Pump
Aliexpress UK
Electric water pump is made of high‑quality materials, sturdy and durable, and long in use. Water pump is widely used in animal husbandry, aquaculture, agriculture, forestry and fishery. Item Type: Water Pump.
eBay
Bilge pump drain kit 12v 24V 750gph 1100GPH water pump used in boat seaplane motor homes houseboat water submersible water pump
Aliexpress UK
Power: 70W. High pressure self priming pump, low current. Principle: diaphragm pump. Pump suction: 1-2m. Pump shaft position: horizontal type. Pump head: 70m. Usage: booster pump. Maximum pressure: 9kg.
eBay
12V 24V Portable DC Electric Submersible Pump 20L/min Fuel Transfer Pump for Diesel Oil Water Kerosene Mini Car Suction Pump
Aliexpress UK
1 x 12V Electronic Fuel Pump HEP-02A. Pressure: 0.032-0. 045 MPA. Lightweight and small size. High quality and durable. Easy to fit and connect (2 bolt fixing, 2 wire design). Tubing Interface 8mm.
eBay
1PC 365 Micro Water Pump Motor DC 12V Self Priming Pump Silent Electric Diaphragm Pump Large Flow 1.5L/Min ABS Food Grade
Aliexpress UK
Application: PCP Rifle, Paintball, Diving Tanks, Airguns. 1 Set Portable PCP Air Compressor. Manual Stop Function. Do not provide local pick up service. Efficient Cooling System – Built-in fan prevents overheating.
eBay
Mini Air Pump -60kPa to 100kPa DC 5V 6V 7.4V 9V 12V High Volume Air Aeration Pump High Flow Micro Diaphragm Pump
Aliexpress UK
Portable Electric Fuel Diesel Transfer Pump DC Diesel Oil Pump 12V 60W Motor. Water inlet and outlet size: pipe thread 10mm/in-line 10mm. Service life: more than 500-1000 hours of continuous work. Pressure protection is: pressure switch power-off protection.
eBay
Mini 370 Water Pump DC 7.4V 9V 12V 1.2W Micro Diaphragm Pump Large Flow Low Noise Long Life Self-priming Water Pump
Aliexpress UK
1 x Diaphragm Water Pump. Inlet and outlet size: 10mm. When the water pressure is too high, pump will protect themselves and normal work, water pipes will not burst, it is safe and durable. Pressure Switch Type Features: When the water turned off, it will automatically cut off power,the motor is stopped.
eBay
12V 24V (4 Meter Hose) 51mm Water Pump Refueling Gun Set Electric Submersible Pump Stainless Steel Diesel Oil Fuel Pump
Aliexpress UK