FLM1053 Features: * Flapper * Rotate flapper to desired volume * Capacity: 1.6 Gallons * Easy to adjust after installation * Snaps onto existing mounting ears on overflow pipe * Chlorine-resistant * Dials to adjust volume for a custom flush * Fits most toilets * Made in the USA * 6" H x 6" W x 1.5" D, 0.12 lb