ASN line of exhaust silencers features a compact plastic body with thread sizes from M5 to 1/2 in NPT or BSPT, and is best used in tight spaces with modern valve designs. Polyethylene element with open surface area allows high flow. Offers minimum backpressure, excellent noise reduction, and ability to capture exhaust contaminants. Works at pressures to 150 psi, temperatures to 140°F, for flows to 370 scfm. Parker Hannifin Corp., Pneumatic Div. North America, (269) 629-5000,