Description
| Part Number | 63597174C (Also called 63597174P, ORG006, WP252235, AO-WH-STD-OR-2, PS-WHS-ORG) |
| O-Ring Inside Diameter | 3.5″ |
| O-Ring Thickness | 0.14″ |
| 3M Aquapure Compatibility | AP11S, AP11T, AP12S, AP12T, AP26T, AP51T, AP101S, AP101T, AP102S, AP102T, AP110, FHO-34, FHT-34, AP200/210 Series, APC77, APC78, APCRF |
| AO Smith Compatibility | AO-WH-PRE, AO-WH-PREV, AO-MF-B |
| Project Source Compatibility | PS-WHS-H, PS-WHS-HV |
| Watts Compatibility | 500222, 500223 |
| O-Ring Material | NSF61 (Drinking Water) Certified Buna-N Rubber |
Compatible with the following filter housings:
- 3M (AquaPure): AP11S, AP11T, AP12S, AP12T, AP26T, AP51T, AP101S, AP101T, AP102S, AP102T, AP110, FHO-34, FHT-34
- 3M AP200/210 Series, APC77, APC78, APCRF (Replaces square ring 36851-35)
- AO Smith AO-WH-PRE, AO-WH-PREV, AO-MF-B
- Project Source PS-WHS-H, PS-WHS-HV
- Watts: 500222, 500223

![3M Aqua-Pure 63597174C / 63597174P / ORG006 / WP252235 / AO-WH-STD-OR-2 O-Rings [3 Pack]](https://www.diyhardwareshop.com/wp-content/uploads/2026/07/3m-aqua-pure-63597174c-63597174p-org006-wp252235-ao-wh-std-or-2-o-rings-3-pack.webp)


