Pentair Diffuser O-Ring (355331)
The diffuser o-ring is a replacement part that was made by Pentair. The same high-quality materials were used to manufacture the original factory part. Making this a genuine OEM product.
This Pentair diffuser o-ring is used with Pentair Challenger high flor and high pressure inground pumps. It is also compatible with Pentair WaterFall specialty pumps. O-Ring is 1/8″ thick and measures just under 3″ inside diameter.