Whole solid Venturi System diffuser for impeller 125-130 mm with corresponded suction diameters 33-42 mm, compatible with pumping station Weberman JET-B / 800, Nocchi Jetinox 40/50, Metabo HWW 3000/20 S, 4000/20 S PLUS, Hidrofor JY / JX 1000/2 / 3TF (T) N, AutoJET 100, Ocean Jet 80, JY1000, Werk XKJ 801 A5, XKJ-804, XKJ-1304, 1104 SA5, xkj- 1101 ia5, SPRUT (Pumps +) AUJS 80, 110 SS, total height with venturi tube ~ 105 mm, outer diameter ~ 164 mm