DOUBLE CHECK VALVE #2524429-3This item was part of a large parts purchaseGOVERNMENT SURPLUS POLICE AVIATION GARAGE PARTS/STOCK Combined shipping is available-please see our other products for other great deals on other parts.We have had continued positive feedback on the aviation parts that we have been offering for sale. These surplus items have been excellent quality. Please see our feedback regarding these parts and purchase with confidence.As of 03/16/2011 we do accept checks from government entities and businesses. If you do not have a paypal account we will work with your agency or company. Contact us for more details. All aircraft parts were purchased at product and we do not make any guarantees/warranties expressed or implied unless specified. Please inspect and test parts before use. We do our best to make information known regarding specific parts. Please inspect all pictures/information before purchasing. On Jan-08-13 at 10:35:27 PST, seller added the following information:FREE! Sellers: Add a FREE map to your listings. FREE!