Hydrion Ph Paper (93) with Dispenser and Color Chart - Full Range Insta Chek ph- 0-13 1 Number of Items:1 Traffic Light with Super Strong

Traffic Light with Super Strong Magnet: Solar traffic warning lights with 4500G magnet can attract iron and steel or other metals surface firmly and hard to fall off

Simple & comfortable to use - Designed for home

Connection: Red to E+

Outside Diameter : 100mm / 3

Hydrion Ph Paper (93) with Dispenser and Color Chart - Full Range Insta Chek ph- 0-13 1 Number of Items:1 Traffic Light with Super StrongHydrion Ph Paper (93) with Dispenser and Color Chart Full Range Insta Chek ph 0 13 Hydrion Insta Chek pH Paper, the ultimate in wide range, general purpose pH papers has a distinct color match at each full pH unit:[0. 0][1. 0][2. 0][3. 0][4. 0][5. 0][6. 0][7. 0][8. 0][9. 0][10. 0][11. 0][12. 0][13. 0]. Hydrion Insta Chek pH Papers provide: A direct reading pH paper with the widest range available in a single paper A simple, single color match for all