* 2. Hold the handle down and drain out the
water from the tank.
* 3. Measure the diameter of the flush valve
drain opening at the bottom of your tank.
* 4. Confirm whether the diameter is 2 inch
(about the size of a baseball). If so,
You must find the perfect toilet flapper.
Fits Most American Standard 2'' Flush Valves Toilets
* For Aqua Source Toilet Model: Aqua Project Source (CP-321)
* For American Standard Toilet Models: Cadet (4029, 4078, 4083, 4053, 4650), Evolution 2 (4061), Monarch (4003),Mainstream (4061)
* For Gerber Toilet Model: Viper (28-590)
* For Glacier Bay Toilet Model: WCRS1
* For Sterling Toilet Models: Riverton (404522), (402091), (404555).
* For Toto Toilet Model: Carusoe (706) .
* For American Standard Toilet Models: Cadet (4029, 4078, 4083, 4053, 4650), Evolution 2 (4061), Monarch (4003),Mainstream (4061)
* For Gerber Toilet Model: Viper (28-590)
* For Glacier Bay Toilet Model: WCRS1
* For Sterling Toilet Models: Riverton (404522), (402091), (404555).
* For Toto Toilet Model: Carusoe (706) .