INSTRUMENT REDUCER PLATE/heat-treated aluminum, black anodize finish. 3 1/8 reducer plate to 2 1/4 diameter L-9039 It is suitable for either

It is suitable for either top or bottom mounting with both light and heavy fixed-wing single-engine and multi-engine aircraft and helicopters

It measures the exact water level from zero to six inches

backlighting

5-inch holder

This EL Voltage Inverter (EDMO# 10-700-05) operates on 5 volts at 100 mA

INSTRUMENT REDUCER PLATE/heat-treated aluminum, black anodize finish. 3 1/8 reducer plate to 2 1/4 diameter L-9039 It is suitable for eitherThese work in sets of two to allow a nice looking flush mount when reducing hole size to accommodate a new instrument. They are made of . 090 heat treated aluminum with a black anodized finish.