Gross weight = 2.5 KG. Work more than 2 hours below 300bar. Liquid cool down, reduce core temperature. High-pressure piston head core :pressurized design, can reach the role of self-compensation after wear.Copper unidirectional valve: durable, failure rate is low. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Compressors". The seller is "paswell_official_store" and is located in this country: CN. This item can be shipped worldwide.