From the submitter:
the canister did not fit under the faucet..... So we made an adapter from a wash mitt, a tube and tape.
wife: Honey, I want a dual showerhead so we can shower together. husband: Well, I have been trying to use up every plumbing part I have. wife: Ooh, and I can use my hair net to stop the leak
Just because you're the landlord doesn't mean you have any idea what you're doing.