- http://www.game-group.com/product/top-cover-o-ring/
  Top Cover O-Ring
  Replace Intex part 10325
  
- https://www.amazon.com/GAME-4574-Cover-Ground-Replacement/dp/B01HB7354M/ref=sr_1_1?dchild=1&keywords=Game+4574+o-ring&qid=1596729938&s=lawn-garden&sr=1-1
  GAME 4574 Top Cover o-Ring Above Ground Pool Replacement Part, Black
  $7.99  Prime  10 left