Omnipure – K5553 – 10″ x 2.5″ Nitrate Removal Inline Filter

The Omnipure K-Series K5553 inline filter is a nitrate removal filter that has 1/4″ QC and 3/8″ QC fittings. This filter helps reduce nitrates in your water.

• Dimensions: 2.5″ W X 10″ L
• Contaminant Reduction: Nitrate Reduction
• Fitting Size: 1/4″ QC, 3/8″ QC, 1/4″ FNPT and 3/8″ FNPT

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.