American Standard 7381043-400.0070A HET Flapper Assembly-1.28 GPF w/ Float

Hello! Thank you for your inquiry about the American Standard 7381043-400.0070A high-efficiency toilet flapper assembly. This 7381043-400.0070A toilet flapper works with the American Standard 2403128 Compact Cadet 3 elongated toilet series, while the 7381026-400.0070A works with the American Standard Cadet 3 FloWise toilets. Unfortunately, we couldn't find any additional information regarding their measurements. However, for us to better assist you, please provide us with the make and model number of your toilet. This way, we will be able to provide you with accurate information about the flapper assembly that you need. You can attach a photo if you like and contact our Customer Service Department at 435-868-4020 from 7 AM to 7 PM MST (Mon-Fri) or through e-mail at support@plumbersstock.com. They will be more than happy to further assist you. Thank you for choosing PlumbersStock! Have a great day!