By Pentair Pool Products
Part # 140236
Warranty 1-Year with Professional Installation.
Alternate Part #'s PEN140236
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When should I change the sand in my filter?
You should change the sand in your filter every 5-7 years. You can generally tell that it is time if your pool water is not as clear as it normally is or when you notice the interval between backwashes is shorter. You can use > this guide to walk you through it.