Protimeter Hygrostick Humidity Sensor (Single Replacement POL4750) Base UOM:EACH Using Clearwater Rinse as your

Using Clearwater Rinse as your final extraction rinse allows you to get the carpet cleaner than with conventional acid rinses

How do I know it is the valve

My reel weeps under pressure

What is the ball and spring inside

Protimeter Hygrostick Humidity Sensor (Single Replacement POL4750) Base UOM:EACH Using Clearwater Rinse as yourProtimeter POL4750 Single Replacement Hygrostick Compatible with Protimeters MMS and MMS2 Moisture Meters Compatible with Protimeters Hygromaster Thermo Hygrometer Optimised for harsh environments Measure the relative humidity of building materials such as concrete floors Relative humidity range: 30 100% A ready to use replacement for the hygrosticks supplied with the MMS, MMS2 and Hygromaster instruments