SUB-Support-Square (SSS) foot plate made from POM plastics and fixed onto any of the 3 MST with 4 x M6 bolts. Insure center-to-center position of the SUB, SUF, SUM with Magnetic-Bottom-Drive on the MST all the time.
Select relevant internal diameters: 110, 130, 137, 150, 170, 200 mm. Two heights being 15 or 35 mm. Optional with side opening for bottom barb / hose connection.