ITEM NAME:10pcs Silencer Pneumatic Air Muffler Air Flow Controller G1/8 Flat/Long Head Description: Silencers/Mufflers are used to reduce dynamic noise of the pneumatic components or device exhaust. Easy installation and high nose reduction result, Quick and Reliable connections Used with: Cylinders, Valves, Crank cases, gear boxes, oil tanks, reservoirs, air tools. Filtering exhaust and intake air from potential dirt and foreign particles, thus prolonging valve’s life. Noise muffling during pressure equalization. Noise reduction effect: more than 20 dB Specification: Materials: Brass Size Chart: 1 inch Flat Head - Outside Thread diameter: Approx.9.6mm (G1/8) Wrench length: Approx.12mm Whole Length: Approx. 13mm 1 inch Long Head - Outside Thread diameter: Approx.9.6mm (G1/8) Wrench length: Approx.12mm Whole Length: Approx. 25mm Package Includes: 10Pieces Muffler Air Flow Speed Controller DMO0008537419510860.Used with: Cylinders, Valves, Crank cases, gear boxes, oil tanks, reservoirs, air tools. Whole Length: Approx. Wrench length: Approx.12mm.