Milton Pneumatic Exhaust Muffler, 3/4” MNPT 40 Micron Sintered Bronze Silencer/Diffuse air and Noise Reducer - Box of 25 in the Air Compressor Accessories department at Lowes.com
Gear Box, Reducer 4.21:1, Taylor 021286-SER: Amazon.com: Industrial & Scientific
Milton Speed Control Exhaust Muffler, 3/4” MNPT - 40 Micron Sintered Bronze Silencer/Diffuse Air and Noise Reducer - Box of 10 in the Air Compressor Accessories department at Lowes.com
Cast Iron Worm Gear Reducer, Box Size 325, 5:1 Ratio, Flange Input, Hollow Bore Output, 182/4TC Frame - WorldWide Electric