Can be applied either vertically or horizontally. Works as a portable air carry tank or as a horizontal or vertical auxiliary air storage tank with a compressor. Superior durability is offered by the 2-in-1 multi-functional air tank, 175 PSI, which is ASME certified. Two air access assemblies, a portable carry tank for when you're on the go, or an auxiliary air storage tank to use with your compressor. PROS🟢 Suitable for drilling, air brushing, spraying, nailing Greatly efficient airflow rates Can be used with a horizontal or vertical setup Adjustable air pressure and access assemblies CONS🔴 Not always easy to adjust the pressure