This is an Ideal Vacuum WFG Particle Filter, Paper with support mesh filter replacement 1 liter (1qt.) To be used with Leybold Chemical Oil Filtration System CFS 16-25 or CFS 40-65. (This is not an OEM Leybold Oil Filter but is totally compatible with this filter system.)

Fits Leybold Filter Model CFS 16-25 or CFS 40-65 Chemical Oil Filter Systems
Oil Use: Can be used with HE-200, N62 or PFPE Oils
Fits Leybold Pump Models: CFS 16-25 - D16B, D16BCS, D25B, D25BCS, CFS 40-65 D40B, D40BCS, D65B, D65BCS
Weight: 1 lb
Volume: 1 liter (1qt.)