Lowe'S Aquasource Original Fill Valve Replacement For 1.28 Gpf Toilets (98923, Product Details 11 Includes Original Fixed Height Fill Valve, refill tube, cone washer, coupling nut, and installation instructions No adjustments required - fill valve is an exact fit AquaSource toilet models above Note that in some installations, the fill valve may appear to leak for several seconds after the initial shutoff. This is by design - the gradual shutoff helps to reduce or prevent water hammer (a noisy shutoff). Proper function can be verified by adding 3oz of water to the tank. 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.