The Omnipure K-Series K5655-BB inline filter features 1/4" FPT fittings and 1/4" QC fittings on both ends. This filter features an ion exchange process producing deionized water which is water that lacks ions, such as those from sodium, calcium, iron, and copper.
- Dimensions: 2.5" W X 12" L
- Filtration Media: DI Mixed Bed Resin
- Fitting Size: 1/4" FPT and 1/4" QC
National Pipe Thread (NPT) Size Measured Against a Ruler* | |
 Actual Diameter (Inches) |
National Pipe Thread (NPT) (Fractional) |
0.405" | 1/8" |
0.540" | 1/4" |
0.675" | 3/8" |
0.840" | 1/2" |
*NOTE: A very common misconception is that a 1/4" NPT measures as 1/4 inch on a ruler or tape measurer. However, that is not the case. NPT will measure larger in diameter. Above is a sizing reference to help clarify.