Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3561455.

Replacement Lid for "AspenPet's 2.5 gallon Deluxe Waterer". The factory original cap has a tendency to crack along the top fillet. To assure a good seal, use fine sandpaper (a least 220 grit) to smooth any imperfections on the mating surfaces between the Cap and Stopper Valve.