| Material | 304 Stainless Steel |
| O-ring Material | NBR (Buna-Nitrile) |
| Mesh Size | 210 micron |
| Flange Size | KF25 / NW25 |
| Dimensions | A=0.50in B=0.21in |
KF25 centering ring assembly with stainless steel mesh screen and NBR O-ring. Protects vacuum pumps from debris. NBR O-ring resists oils and acids.