Replacement Screen for item 190150 - 185 micron lamps The Bluelab Conductivity Pen is

The Bluelab Conductivity Pen is the latest innovation for hand held conductivity meters

The product measures pH from 0 to 14 and TDS from 0 to 1999 mg/L (ppm)

It is 100% naturally derived and is OMRI Listed for use in organic production and farming

Full-spectrum 610 Watt LED light made in the USA

Replacement Screen for item 190150 - 185 micron lamps The Bluelab Conductivity Pen isThanks for purchasing our Pollen Tumbler. Now that you have THOUROUGHLY enjoyed this product and are standing on POLLEN MOUNTAIN, the screen needs to be replaced; we have you covered. Just go ahead and purchase our pollen tumbler replacement mesh screen (available in 125, 145, and 185 micron). With just 4 household tools (Pliers, mat knife, staple gun, and flathead screwdriver) and a can do attitude, you will have this machine like new in no time!