DFT KK Series Filter Cartridges
Large Diameter String Wound Filter Cartridges
- Polypropylene fiber
- Removal ratings from 0.5 to 25 μm
- Available in 25.1 cm (9.875 in) and 50.8 cm (20 in) lengths
- High contaminant-holding capacity
- Manufactured under ISO 9001 quality system
Performance Specifications
Filter grades0.5, 1, 5, 10, 25 μm
Maximum differential pressure
1.0 bard @ 74°C (15 psid @ 165°F)
Food and water contact use
Please contact Pall Corporation to verify that the product conforms to your national legislation and/or regional regulatory requirements for water and food contact use.
Product Specifications
Materials of constructionFilter media: Polypropylene
Core: Polypropylene
Dimensions (nominal)
Outside diameter: 11.3 cm (4.438 in)
Inside diameter: 2.8 cm (1.09 in)
Lengths: 25.1 cm (9.875 in), 50.8 cm (20 in)
Typical Flow vs. Differential Pressure for Application Sizing

Unit conversion: 1 bar = 100 kpa
Flow rate is for a 25.4 cm (10 in) element. For liquids other than water, multiply differential pressure by fluid viscosity (cP).

Table 1
| Code | Filter grades μm |
| 0.5 | 0.5 |
| 001 | 1.0 |
| 005 | 5.0 |
| 010 | 10 |
| 025 | 25 |
Table 2
| Code | Cartridge lengths (cm/in) nominal |
| 9.875 | 25.1/9.875 |
| 20 | 50.8/20 |


