12 Pcs Air Pneumatic Mufflers Silencer, Brass Pneumatic Exhaust Muffler, 1/4 Npt About Us: Specializing in Home and Office products, Jiozermi works on provides reliable, high-quality and practical products for global customers. Your satisfaction is our top priority. We hope you can try our products Specification: Color: Gold Material: Brass Total Length: 1.02 Inch / 25.8mm Maximum Working Pressure: 300psi Temperature Range: 35F to 300F. NPT Thread Size: 1/4 NPT Male thread Thread Measuring Diameter: 1/2 Inch Male thread Warm Notice: Please do not exceed the maximum working pressure when using. NPT thread size is only nominal pipe size and does not actual diameter. These reducer hex bushing contain low-lead, so it Not for potable WATER. Do not use it outside the operating temperature range to prevent deformation of the sealing material and easy leakage. 30 Days Warranty No Risk Purchase Jiozermi love giving our customers satisfactory products at an affordable price and have a pleasant shopping experience If you have any questions about the product, you can contact us by email, we will solve your problem within 24 hours usually. Please give us a chance to solve any problems, thank you! If you are not satisfied with your purchase within 30 days for any reason, let us know and our products support unconditional returns. That's the Jiozermi ?Product Size?: You will receive 12 piece brass muffler. The total length of each muffler is 1.02 inch. The muffler thread size is 1/4 NPT male thread. ?Product Material?: The air muffler sintered is made of brass for durable, corrosion resistance, ductility at high temperatures, low magnetic permeability. The operating pressure is up to 300psi and temperature range of 35F to 300F.. ?Precision Process?: The threaded pipe fittings was made with precision process, which has clear and deep threads to prevent leakage. The hex nut for easy tightening and loosening. ?Wide Application?: The pneumatic sintered air used to connect female pipes with same diameters. It apply to for valves, cylinders,oil tanks, air tools and some other systems that need mufflers to clean the exhaust air and reduce. ?About Us?: Our store commits to providing exceptional hardware products. We firmly believe that quality is the foundation of success. That's why we strive to offer meticulously designed and reliable products to meet your various needs. Thank you for your interest and support!