I have been very happy with these, https://www.amazon.com/gp/product/B09V15V5TD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1 Both around the home and on the RV.
This^Th e only problem I've had is with the freshwater inlet. If you don't remove it ocaisionallly hard water salts will build up making removal difficult.