There is a sale on filters now thru John Deere, though some may vary on discounts. Most now are doing 15% off all filters. LVA13038 is pricy at 52 bucks, is made by donaldson, but is much better quality than fram.
I plan on buying a new oil catcher and marking it just for hydraulic oil so I can reuse the oil if it looks good without getting it contaminated with any engine oil that would be left in my old oil catcher.