I just found out that I have a cracked manifold. I have a Pentair FNSP 60 filter and was able to find a replacement part online for half the cost of the OEM part. The main difference I see is that on the top of the manifold, the OEM has a tube with a filter at the end. The other manifold simply has holes where the filtering takes place. Does anyone have experience using the cheaper manifold? Will not having this tube cause issues. I understand the purpose of the tube which is to prevent clogging due to DE backup which often happens at the top, but I'm just curious if anyone has had experience with this?

