This is an IPW Industries Inc. pack of 2 o-rings compatible with the AO Smith Whole House Sediment Filter (AO-WH-PRE or AO-WH-PREV).
- With 3.44" (9 cm) actual size this o-ring is designed to fit standard 2.5" filter housing.
- Keep the water-tight seal on your whole house sediment filter.
- Replacements made easy - use when you change out your filter every 3-6 months.
- Pack includes 2 o-rings.
- Compatible AO-WH-STD-OR-2