Smartflow Self Priming. Inlet/outlet caliber: 3/8" (10mm). VerRich 12V 70W 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.
eBay
DC 12V 130PSI 6L/min Electric Water Pump Black Micro High Pressure Diaphragm Self-Priming Cooling Car Wash Water Pump Sprayer
Aliexpress UK
Self priming, silent running, low power consumption. 1x Diaphragm Water Self Priming Pump. This is a high quality DC micro diaphragm pump. The water pump with a pressure switch will be automatically cut off when the pressure of water outlet is big enough.
eBay
1100GPH Boat 12V Marine Automatic Submersible Bilge Water Pump Fully Auto Float Switch Internal Auto Bilge Water Pump
Aliexpress UK
Smartflow Self Priming. Inlet and outlet size: 3/8" (10mm). Volts : 12V DC. Built-in pressure switch, automatically turns of f without water. Max Flow capacity:6L/MIN(6.0 Liters per minute). To increase the life span of the pump, switch it off for 10-20 minutes after it has run continuously for 1 hours.
eBay
DC 12V/24V 5W JYPDM-1 Micro 370 Water Pump Self-priming Suction Water Pump
Aliexpress UK
Motor Model: 385. PORTABLE DESIGN: The pump head is designed for easy disassembly, easy cleaning and maintenance, and the PVC bracket is stable and durable. 7mm / 0.3in. Material: PVC. Item Type: Water Pump.
eBay
12V Water Pump Caravan Camper Motorhome High Pressure Water Pump 6L/Min
Aliexpress UK
Smartflow Self Priming. Inlet and outlet size: 3/8" (10mm). Volts : 12V DC. Built-in pressure switch, automatically turns of f without water. To increase the life span of the pump, switch it off for 10-20 minutes after it has run continuously for 1 hours.
eBay
35PSI 12V Marine Water Pump Diaphragm Self Priming Pump Boat Accessories Showers Toilets Water Transfer Motor for RV Caravan
Aliexpress UK
Water inlet and outlet size: pipe thread 10mm/in-line 10mm. Pressure protection is: pressure switch power-off protection. High pressure, low current. Service life: more than 500-1000 hours of continuous work.
eBay
12V Electric Water Pump for Caravan Water Dispensing System 2L/min 3.5L/min Automatic Kitchen Faucet Suction Pump for Kitchen
Aliexpress UK
Features: .
eBay
1Pcs Water Pump 5V-12V 1.5-2L/Min Water Cooling DC Pump For RC Boat Watercraft MONO Up To 40°C 0.5-0.7A RC Model Vehicle Parts
Aliexpress UK
Features: -Widely used in agriculture, animal husbandry, aquaculture, mining, construction sites, etc. -Lightweight and compact, easy to carry and use anytime, anywhere. -Easy to operate, the filter can be quickly removed without tools, making internal cleaning easier. Specification: Color: silver Material: stainless steel Voltage: DC 12V Power: 220W Max flow: 8000L/h Max lift: 11m Outlet size: 25/40/50mm Material: stainless steel Max average temperature: +35℃ Max ambient temperature: +40℃ PH value: 5-9 Immersion depth: 0.5m-8m Voltage fluctuation range: 0.95-1.05 times of rated value Size:20*23.5cm .
eBay
12V 10 L/min Submersible Water Pump High Flow Three-wire Water Pump For Motorhome Camper Pond Aquarium
Aliexpress UK