Feature: Quick disconnect assembly. Assembly for 1/4 in NPT, air line. Iron body with a red plastic kettle. Mainly used for cleaning, decontamination, blowing dust, spray. Suitable for kerosene, soap other solvent sprays under high pressure. High speed, 2-way action removes dirt, grease oil quickly from engines and machines. Attention: Outermost two copper nuts can be adjusted, tightening it is to release the gas but not to release the water, loosening it is for the discharge of gas and water. Specification: Material: Iron Color: Red Diameter: 10 cm / 3.94 "(approx.) Package included: 1 x Engine Cleaner Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! THANK YOU :)