pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter Heat Resistant Gloves The warranty does not cover

The warranty does not cover blades

Tube OD (in): 4

Precise temperature control and adjustable speed

This is a naturally active bleaching adsorbent which has a surface area more than 400 m²/g

KF40(20L/S)

pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter Heat Resistant Gloves The warranty does not cover[MATERIAL]: With plastic cement shell; Light handheld design, portability, and convenience. [PH METER]: The precision is 0. 01; The large screen LCD display is clear, intuitive, and easy to read; The high quality glass electrode has fast speed, good stability, and higher precision. [TDS METER]: It can lock data detection; Special temperature compensation function can automatically convert it to TDS value when the water temperature is 25 ; Large screen