| Brand | Unbranded |
|---|---|
| Type | Test Pen |
Check the listing for details. Digital Tester TDS EC Meter Water Purity Hydroponics Water Quality Test Pen. Condition: New. Listed at 8.57 USD. Adopt anti-slip design, serrated anti-slip, concave-convex design reinforces the product itself. 1 Water quality testing pen. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item.
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