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ECO ENTERPRISES Headquarters: 1240 NE 175th St. Suite B Shoreline, WA 98155 1-800-426-6937 Email: ecoenter@aol.com |
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| Hanna Instruments has improved these affordable waterproof pens. Designed for wet areas. These have always been our best selling meters. Inexpensive and easy to calibrate. |
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| Manufacturer: Hanna | ||||||||||||||||||
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