Delmhorst 21-E Deep Wall Probe with 3.25 Inch Penetration Base UOM:EACH routinely bought in error for

routinely bought in error for one another

The Side-Seal kit does the same job with pressure instead of adhesive

A sleeve is cheap

If you need the dimensions before ordering

Delmhorst 21-E Deep Wall Probe with 3.25 Inch Penetration Base UOM:EACH routinely bought in error forDeep wall probe for cavities and insulation A two pin probe with long insulated 608 pins, for reading moisture inside a wall cavity, behind stucco or under roofing without opening the structure up. Why the insulation matters here On the way to the insulation the pins pass through plasterboard, an air gap and whatever else is in the cavity. An uninsulated pin would report the wettest of all of it and you would not know which. The 608 pins are bare only