
PME Filter Cartridge POF105 (Extra Fine / 1 Micron)
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The PME POF105 filter is a high efficiency filter (Lube filter). Cartridges remove grit, metal and dirt from honing oil.
Inside diam. under 25.15 mm
Inside diam. upper 25.15 mm
Outside diam. under 148.08 mm
Height 370.84 mm
When to use the POF105 (Extra Fine / 1 Micron)
The POF105 is used exclusively when absolute oil purity is required to achieve a mirror-smooth surface finish.
- Final Finishing (Finishing): When the bore is almost to size and you switch to fine finishing stones (400 to 600+ grit) to create the final crosshatch and surface roughness (Ra value).
- Advanced Materials (PCD/CBN Applications): If you are machining components that require the extreme precision of the PCD or CBN tools. Even a microscopic 5-micron particle in the oil can cause scratches on a high-end finished surface.
- Critical Tolerances: For applications with extremely tight tolerances, such as hydraulic plungers, fuel injectors, or high-performance racing engines.
- Extending Fine Stone Life: Microscopic metal dust can accumulate and jam between the grains of fine honing stones (stone loading). The POF105 prevents this by trapping the micro-dust immediately.
This filter fits directly into the following models:
1. Vertical Cylinder Honing Machines (Automotive & Marine)
These are the most common engine rebuilding and block reconditioning machines that use these standard filters:
- Sunnen CK-10 & CK-21
- Sunnen CV-616 (Cylinder King)
- Sunnen SV-10, SV-15, SV-20, SV-25, and SV-30 series
2. Horizontal Honing Machines (Industrial & Rod Honing)
Used for pin fitting, rod resizing, bushings, and general precision bore sizing:
- Sunnen LBB-1660, LBB-1699, LBB-1803, and LBB-1810
- Sunnen LBB-1818
- Sunnen EC-3500
- Sunnen ML-2000, ML-3500, and ML-5000 series
- Sunnen SH-series & HTE-series
3. External Sunnen Filtration Systems & Stations
Many larger industrial machines or older shop setups use a standalone oil filtration system. These cartridges fit into the:
- Sunnen PF-150 filter canister
- Sunnen PF-400 & PF-401 filtration systems
- Sunnen CH-100 cleaning stations
- Sunnen SVF15 systems
*For roughing, high stock removal. honing cast iron or production honing we recommend to use the POF110 filter.*
Buy it with

PME Filter cartridge POF110 (Fine / 10 Micron)
Sale price€55,00
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PME Filter Cartridge POF105 (Extra Fine / 1 Micron)
Sale price€60,00