Just had the plumber out and he is going to redo all the pool plumbing in our garage. It's long overdue. He said our pump looks good but he would suggest a new sand filter while he has everything apart. and says it seems to be leaking slightly around the cirumference and I assume parts are no longer available haha. But him being a plumber and not a pool person I am responsible for finding a new sand filter. We live in the midwest with lots of trees, pollen and corn. What sand filter would be best I would assume Hayward since that is what my pump is and multi port valve are. And since it is presently side mounted should I stick with that. Thanks for any input.