This is not the same as intex 4558. The short end is too short and not wide enough (she said) and doesn't fit snugly in the hole (she said too) in the side of the pool after before remove the filter inlet (item 11070). The clamp on the hose that goes to the filter has no grip, so with real suction, air will seep into the line and the pump will stop pumping. Try the Intex 4885 part. Haven't tried it yet, but it looks like it has the same vacuum hose adapter end (1 1/4 - 1 1/2) as this part, but…