Albin Group Water Pressure Pump - 12V - 2.6 GPM [02-01-003] Marine Safety | Waterproof Bags & Cases Boss Audio tower speakers are

Boss Audio  tower speakers are marine grade

There is no need to worry about open containers causing spills when changing engine oils with the 3-1/2 Gallon (13LTR) compact self-contained unit fitted with a self-priming diaphragm pump with an easy pour spout for emptying

These detailed images of ports

Stainless steel upper and lower ferrules with standard 1in-14 thread

52MM (2-1/16") OceanLink Boost Pressure Gauge - 2 Bar/30 PSI - Black Dial & Bezel

Albin Group Water Pressure Pump - 12V - 2.6 GPM [02-01-003] Marine Safety | Waterproof Bags & Cases Boss Audio tower speakers areWater Pressure Pump 12V 2. 6 GPM Water pressure pump 12V with capacity 10l min (2,6GPM). For continous supply of pressurized water on demand. Cut off pressure 2,8 bar (40 psi). Extra heavy duty sealed pressure switch, smooth and pulsation free flow, quiet operation. Serve up to 3 outlets. Easy to install with quick connect ports for 1 2 hose, inlet strainer 40 mesh included. Fuse size 10A. Specifications: Volts: 12v Gallons Per Minute: 2. 6 GPM Box