I was going to work this morning and topping off my meth tank and when I went to put the cap back on I noticed that it split!! (No wonder I was smelling meth in my car

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Does anyone know where I can find a top to a meth tank (2 1/4") without having to order it online from USP or a company direct? I want to pick one up locally, does Home Depot or Lowe's or something like that carry something like this?