Fyydes Brass Pneumatic Muffler,2PCS Quick Exhaust Pneumatic Muffler Adjustable Air Brass Silencer PT3/8 Male Thread PSC‑03,Air Exhaust Muffler - Walmart.com
Milton Pneumatic Exhaust Muffler, 1-1/2” MNPT 40 Micron Sintered Bronze Silencer/Diffuse air and Noise Reducer - Box of 25 in the Air Compressor Accessories department at Lowes.com