The Aqua-Flo Flo-Master XP3 2.5 Hp complete wet end has 2.5" intake and 2.5" discharge. Everything you need to replace your old wet end is included. Complete Wet end includes the volute, seal assembly, impeller, wear ring, volute o-ring, suction cover, drain plug and suction screws. Always choose a genuine Gecko part when replacing parts.