Air Compressor High Pressure Pump Transformer Rifle Inflator 4500Psi 300Bar 12V. Rifle Inflator 4500Psi 300Bar 12V. This item is in the category “Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Compressors”. The seller is “pumpyy_official_store” and is located in this country: CN. This item can be shipped worldwide.