Aqueon Fluorescent Starters FS-22 Replacement Bulbs are used to help your lamp light and not to flicker. Replacing a starter is recommended if the tube is not completely lit or continues to flicker. If the tube is discolored on the ends it is time to replace it.
Features: For use with all-glass aquarium
Includes: 4 bulbs
Intended For: For use with 14 watt, 15 inch tubes; 15 watt, 18-inch tubes; 20 watt, 24-inch tubes
Size: 1 ½ in L x ¾ in D