Some car owners choose their own DIY car wash at home, because it is both economical and convenient, some car wash tools are naturally sought after by the public, but the purchase of washing water guns in addition to see the water situation, but also have to consider the water gun pressure. Only the overall consideration will achieve the economic application, saving water to save the purpose. Here to give you some of these products to buy some of the purchase methods and techniques. Before purchasing, you must be aware of the water used when washing. Such as whether the use of home water pipe? Home water pipe pressure can be met? If you can not use the water pipe, can only buy self-pressurized car wash water gun. If you have determined the above conditions, as for the electric pressure and mechanical pressure, then look at your own preferences.

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