Compatible With The American Standard 738921-100.0070A Two-Piece Toilet, This Product Details Specification: Brand name: VALLVATER Material: ABS, Plastic, Rubber ?Item weight:9.8ounces Feature: Only suitablefor split toilet tank diameter with :3?(70mm - 105mm). Improve yourexperience and save water; easy installation; please check the dimensionscarefully. Package including: (1) Toilet tankflush valve (2) Toilet TankBolts (3) 3 inchTank-to-bowl gasket. 1.?COMPATIBILITY?Works with standard 3 Inch(70mm - 105mm) 2 piece toilet tank hole flush valves. Including American Standard, Aquasource, Crane, Eljer, Ferguson, Gerber, Glacier Bay, Jacuzzi, Mansfield, Pegasus, TOTO and many more. Not compatible with one piece toilets. 2.?ELIMINATES TOILET LEAKS?Eliminates common leaky toilet problems due to a worn-out valve and gasket, this set also includes tank to bowl bolts and gasket for a complete repair, saves water and stops leaks at the drain. 3.?CONVENIENT VALVE DESIGN?Easy adjustable overflow tube can cutting for your need specifications. Packing includes: (1) Toilet tank flush valve (1) Toilet Tank Bolts (3) 3 inch Tank-to-bowl gasket. 4.?EASY TO INSTALL?This products designed to be easy to install. We know you have better things to do than work on your toilet, so our products are designed for quick installations. 5.?BUILT TO LAST?Constructed of durable plastic and the Perma fit silicone seal is chemical resistant and will not warp. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.