grep -c 'searchterm' myfile
Brand new Advance 18w ballast low pressure sodium 120v/277v
$131.00
NOS 89G381 GENERAL ELECTRIC BALLAST 14-15-20-22 WATT 118V 60H .340 AMP MADE USA
$15.00
Lot of 5 GE Multi Volt Ultra Start T8, GE-232-MVPS-H Ballast For Laps New
$29.99
Philips ADVANCE AmbiStar RELB-2S40-N Replacement Ballast 40-Watt 2-Lamp T12
$16.78
Advance MARK III Rapid Start Ballast R-2S40-1-TP Energy Saver 120V
$27.95
$19.95
UNIVERSAL B260I120M-A FLUORESCENT BALLAST, FOR 2 96" 60 Watt LAMPS T12, 120V
$20.00
Bodine Bsl17c-C2 Type 1 Lighting Ballast, 2-13/32" W X 1-1/2 H
$145.00
Iota ISL-54 TBTS Fluorescent Emergency Backup Ballast 40-55W T5 or T8, F54T5
$269.00
Set of 4 PHILIPS ADVANCE BALLAST CENTIUM ICN4S5490C2LSG
$41.95