7542700 Features: -Forever adjustable flapper.-Water saving control dial helps you determine the exact amount of water to produce a clean forceful flush while saving on your water and sewer charges.-Pays for itself.-The last flapper you will ever buy.-Long lasting rigid plastic flapper.-Fits most toilets.-Highly resistant to harsh water and chlorinated water.-Easy to install.-Dial adjusts water level for a perfect flush.-Replaces old flapper or old fashioned tank ball / bracket / lift wire mechanism.-Works on flush valves with or without mounting ears. Dimensions: -Dimensions: 7.3" H x 5.9" W x 2.5" D.