10 treated papers, 10 record forms, and instructions for Ammonia

One package includes: 10 treated papers, 10 record forms, and instructions for Ammonia. Color changes from yellow to blue. Critical concentration: 25 ppm/5 min.


  • Item #: A-15R-10

Badge Refills A-15R-10 (Ammonia)

Price: $25.00
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