Function: 1. The accumulation tank contains air and water tanks behind the pump. The air acts as a drainage, draining pressure fluctuations, draining more flow and leaving pump cycles, especially at flow discharges. 2. Low power consumption, no danger during use, avoid shutdown, opening hazards and the consequences of supplementing, replenishing water. 3. Good sealing, waterproof and dustproof, compact design, various sizes, detachable, easy to carry and install. 4. Small pressure fluctuation range, safety and power supply, has stable power supply. 5. The maximum inlet pressure is 125PSI, the capacity is 0,75L, the driven water system for yachts / motorhomes / boats. 6. It can be installed to the water system under the drive of a yacht/RV/camping trailer, sprayer accessories (sprayer off on the vehicle and electric sprayer), jet machines, humidifier, water speed, consequences of consumption and transfer and other pressure boosting systems. Specification: Item Type: Depleted Tank Material: nylon fiberglass 30% Color: how it survived in the pictures Model: NMAT-075-125-01 Internal volume: 0,75 l Dimensions: approx. 8.1 x 4.5 x 4.8 cal Inlet/Outlet Diameter: 1/2 inch MNPT Threaded Preloading (PSI/BAR): 10/0,7 Maximum performance (PSI/BAR): 125/8,6 Air supply: Standard car style tire valve Maximum pressure: 125 psi Certificates: CE Application: Suitable for yacht/RV/camping trailer water system -Equipment for sprayers (car and electric sprayer) -Clean machine, humidifier, water purification - Filling food drinks and transferring liquids List of ingredients: 1 x Battery 2 x division