The 63597-174C Aqua Pure O Ring fits Aqua Pure AP11 and AP101 Series. The dimensions are approximately 3.5-Inch x 3.75-Inch, and need to be replaced after every third filter change.
NOTE: The images are just for your reference. Price is only for Model #: CWD-63597-174C.
Attention CA Residents: Prop 65 Warning
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov