FLUITEK P 3909-3B7 comparable to NATIONAL FILTERS NFI-3SK
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Fluitek replacement products are manufactured to meet or exceed the specifications of the original equipment
manufacturer. Learn More
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Contact Fluitek Comparable Brand: Comparable Part #: NFI3SK
NFI3SK
FLUITEK’S GUARANTEE
Fluitek replacement products are manufactured to meet or exceed the specifications of the original equipment
manufacturer. Learn More
This filter is manufactured to match the specifications associated with NATIONAL FILTERS NFI3SK, including:
Fluitek SKU:
P 3909-3B7
Category:
Carton Qty:
12
Carton Weight:
16.320 pounds
Availability:
Ships Immediately
Length:
9.300 inches
Outer Diameter:
3.900 inches
Inner Diameter:
1.630 inches
Filter Type:
Pleated Paper Elements
Filtration Selectivity Rating:
3 MICRON
Maximum Flow:
15 GPM
Initial Differential Pressure:
3 PSID
Center Tube:
PERF CRS
End Caps:
CRS ETP
Jacket:
PERF CRS ETP
Handle:
NONE
Gasket:
BUNA N GROMMETS (2)
These specifications support reliable filtration performance in systems that specify this component.

This product is built to support applications where NATIONAL FILTERS NFI3SK is specified. NATIONAL FILTERS equipment utilizes filtration to help maintain reliability and support system performance.
Pleated media liquid filters provide increased surface area for efficient filtration, supporting higher flow rates and improved contaminant capture.
Common applications include:
- water filtration systems
- chemical processing
- industrial liquid filtration
- high-efficiency filtration applications
Pleated media liquid filters provide increased surface area for efficient filtration, supporting higher flow rates and improved contaminant capture.
Common applications include:
- water filtration systems
- chemical processing
- industrial liquid filtration
- high-efficiency filtration applications