For sale is a ARO INGERSOLL RAND PNEUMATIC AIR POWERED LIQUID WATER PUMP diaphragm. It is used, believed good, but untested and sold as is. If you do not like this item for any reason, within 7 days of receipt, you can return it to me for a refund of your winning bid. You will have to pay shipping both ways and pack carefully. It is about 11 inches tall.