Fluidmaster 550DFRK Dual Flush Conversion System Drill bit sizes supported: 3/16

Drill bit sizes supported: 3/16 in

Just a few

Recommended Bulb Type: E26 (Medium Base)

Klein Tools is an auto-ranging millimeter that measures AC/DC voltage

Wrights Silver Cream is the original

Fluidmaster 550DFRK Dual Flush Conversion System Drill bit sizes supported: 3/16Experience maximum flush performance and save up to 45% water with the Fluidmaster 550DFRK Dual Flush Conversion System. This retrofit conversion system offers superior flush power and PerforMAX toilet fill valve that ensures every flush is consistent and 2X faster than standard designs. With a sleek dual flush tank lever, you can easily manage liquid and solid flushing.