I've got two pumps that I bought during my build that were not needed, they are both brand new and never used.
Oase Aquamax Eco Premium 8000 Pond Pump - £250 (No receipt for purchase)
Jebao DCP-15000 DC Pump and Controller (£100)
2 x Flexible Rubber Connectors 4 inch - £5 each
1 x Flexible 4 inch to Nexus Connector - £5