The product is a pack of 200 pH test strips manufactured by the brand Drenoyic. These universal litmus paper testing strips have a pH range of 0-14, suitable for testing both acidic and alkaline substances. The item model number is PT-H-0-14-200（PH0-14) and the product has an expiration date of September 2026. Originating from China, this product is commonly used in medical, laboratory, and dental settings for measuring pH levels.


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