Features Function: The water oil filter separate water, oil, moisture, dust and particulates in the air compressor line, ensure the dry gas, effectively extend the life of the air tool. Quality Material: The water oil separator filter have stainless steel connector, rustproof, wear resistant and anti-corrosion. High Precision: Precision threads of the air compressor filter ensure tight and secure connection without leakage. Easy to Use: Simple structure, easy to install and use. Can be used with spray gun air pressure regulator valve. Full Customer Satisfaction: If you’re not 100% satisfied with your purchase, please get back to us, we will try our best to make sure your full satisfaction. Specification: Item Type: Oil Water Separator Thread: 1/4 inch BSPP Package List: 1 x Oil Water Separator Package List 1 x Oil Water Separator