This Standard Size (.405" Diameter Float Ball) is made only for the following High Pressure Standard wall glass sizes: 3/4" OD, 1" OD, 1-1/4" OD, 7/8" OD, 1-1/8" OD, & 1-1/2" OD.
Will not fit any Heavy Wall Guage Glass
Vibrant red color enhances visibility for quick and accurate liquid level readings.
Suitable for monitoring liquid levels in boilers, tanks, and various industrial equipment.