www.pmmag.com/articles/88171-acoustical-leak-detection
Acoustical Leak Detection
February 1, 2003

General Pipe Cleaners
The new Gen-Ear(tm) from General Pipe Cleaners blends the latest in filter, headphone and sensor technology for an advanced acoustical leak detection system. Excellent for plumbing professionals, construction contractors and municipal authorities, the versatile Gen-Ear quickly and accurately locates leaks in PVC, cast-iron, copper and steel lines. Also pinpoints problems in a wide variety of work, soil and surface conditions.
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