Commstones should be twice as long as the width of the longest flat spot and as long as will work freely between adjacent brush sets.3 in X 1-1/2 in X 2 in, Commstone, Grade C With Adjustable Handle Stone is mounted on a short knob that allows for three different handle positions.
.VENTOSTAT WALL MT TRANSMITTER, ACTIVE HUM/TEMP, CURRENT/VOLTAGE This transmitter has field selectable 0-5 VDC, or 0-10VDC outputs for humidity and temperature measurements and is packaged in a premium enclosure.