Check the listing for details. Atlantic Replacement Impeller for TT4000 Pump, IMPTT4000. Condition: New. Listed at 88.87 USD. Atlantic Replacement Impeller TT4000 Pump (MPN IMPTT4000) Atlantic Replacement Impeller for TidalWave3 Asynchronous Pump 4000 GPH Webb's eBay Store Store Home Store Policies Feedback Shipping Most orders are shipped from our warehouse in Maryland. We warehouse over 95% of the items that we offer, which is a key to our quick order turn-around. Some orders are drop shipped directly from our manufacturer's in various states within the continental US. All orders are shipped via either UPS or FedEx therefore we cannot deliver to PO boxes, please supply a physical address to which we can ship your order. Payment We accept PayPal and the following credit cards: Visa, MasterCard, American Express, and Discover. Please feel free to call with any questions.