An economical Sprague with all of the features you'd expect from ADC.
The Proscope™ 640BK features:
- Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece fittings - an adult and pediatric diaphragm, and three bells (1 1/4", 1", 3/4")
- Proprietary valve mechanism eliminates acoustic leakage
- Adjustable aluminum binaurals
- Complete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, and one pair of silicone eartips
- Inspected and packaged in the U.S.A.
- Traditional 16" double tube configuration
- Not made with natural rubber latex
- Weighs 7 oz.
- Overall length 24"
- One Year Warranty