Shop › Filter Tank Bottom Assembly Image 1 of 2 Image 2 of 2 Filter Tank Bottom Assembly $639.82 Consists of Stainless Steel Filter Tank Bottom, Bottom Manifold, Retainer Sleeve, O-Ring, and Discharge Fitting. Quantity: Add To Cart Added! Consists of Stainless Steel Filter Tank Bottom, Bottom Manifold, Retainer Sleeve, O-Ring, and Discharge Fitting. F-0052