Series 4000 NPT – Performance Racing Filter (Complete Unit)


SKU: 4-.25NPT Category:


If you want to order a unit with a Viton O-Ring, select the version with -F3 at the end.

Pressure Rating 250 PSI
Flow Rate Up to 4 GPM
Filtration Area 20 SQ. IN.
Weight w/element 6.6 OZ.
Connection Size 1/4″ / 3/8″ / 1/2″ NPT
Hex Nut Size 1.25″
Overall Length 4.66″ AN OAL
Outer Diameter 1.5″ OD

Additional information

Weight 2 lbs
Dimensions 6 × 6 × 13 in
Micron Size

4-.25NPT-10W, 4-.25NPT-25, 4-.25NPT-40, 4-.25NPT-74, 4-.25NPT-149, 4-.25NPT-238, 4-.375NPT-10W, 4-.375NPT-40, 4-.375NPT-74, 4-.375NPT-149, 4-.375NPT-238, 4-.50NPT-10W, 4-.50NPT-40, 4-.50NPT-74, 4-.50NPT-149, 4-.50NPT-238, 4-.25NPT-10W-F3, 4-.25NPT-25-F3, 4-.25NPT-40-F3, 4-.25NPT-74-F3, 4-.25NPT-149-F3, 4-.25NPT-238-F3, 4-.375NPT-10W-F3, 4-.375NPT-40-F3, 4-.375NPT-74-F3, 4-.375NPT-149-F3, 4-.375NPT-238-F3, 4-.50NPT-10W-F3, 4-.50NPT-40-F3, 4-.50NPT-74-F3, 4-.375NPT-149-F3, 4-.375NPT-238-F3, 4-.375NPT-25, 4-.375NPT-25-F3, 4-.50NPT-25, 4-.50NPT-25-F3