Dual Gradient 10" BB Filter # FWPS10B7525 • 4.5" x 10", 75/25 Micron Franklin

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SKU	FWPS10B7525
Brand	Franklin Water Treatment
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Franklin 10" BB/Big Blue Dual Gradient Poly Depth Filter

FWPS-DG 4.5" x 10" filters feature dual gradient melt-blown polypropylene for high contaminant retention and long service life.

Dual gradient design means fewer changeouts and more efficient sediment capture.

Used in Whole House, Commercial, potable water, and many other water system types.

Operates with low ΔP and supports flow rates up to 75 Lpm depending on size.

NSF and FDA-grade polypropylene media compatible with wide fluid chemistries.

Functions effectively in both residential and commercial filtration systems.

FWPS-DG SERIES — Dual Gradient Polyspun Filter Cartridges

Waterite Replacement Guide & Filter Specs Waterite > Franklin Replacement Guide & Filter Specifications

* Waterite > Franklin Water Treatment Canada > Compatibility?
* Item # in first column replaces Waterite Sku # in second column
* If item is not available — Contact Us
Item #	Waterite #	Size	Micron Rating
FWPS10B2501	PP10B2501	4.5" x 10"	25/1
FWPS10B5005	PP10B5005	4.5" x 10"	50/5
FWPS10B7525	PP10B7525	4.5" x 10"	75/25
FWPS20B2501	PP20B2501NX	4.5" x 20"	25/1
FWPS20B5005	PP20B5005	4.5" x 20"	50/5
FWPS20B7525	PP20B7525	4.5" x 20"	75/25
Shared Filter Cartridge Specs:
Certified: NSF 42 Max Temp ºC: 60º Max Temp ºF: 140º

Features:

Dual Gradient Design: Outer layer captures larger particles; inner layer captures finer particles
Longer filter life due to higher contaminant holding capacity
Low pressure drop and high flow rate
100% PP for compatibility with a wide range of process fluids
Formed by thermal bond without the use of any binders and adhesives
The polypropylene material is chemical resistant and not prone to bacterial attack.
- It will not add any taste, color or odor to the water.
Certified to NSF42 and FDA CFR Title 21.

Materials of Construction:

100% Melt-Blown Dual Gradient Polypropylene

Applications:

Whole House
Food & Beverage
Water Purification Systems
Chemical Processing
Pre/Post-Filtration for RO
Potable & Process Water

Performance:

Maximum Operating Temperature: 65ºC (150ºF)
Nominal ΔP for Replacement: 1.5 Bar (22 psi)
Maximum Pressure Drop @ 20°C (77ºF): 3.2 Bar (46.4 psi)
Maximum Flow (2.5x10"): 7-30 Lpm (2-8 gpm) *
Maximum Flow (4.5x10"): 22-75 Lpm (6-20 gpm) *
Maximum Flow (4.5x20"): 45-75 Lpm (12-20 gpm) *

*Depending on Micron rating and Length

NSF:

Tested and certified by NSF International to NSF/ANSI 42 for material requirement only.

Product Category Filters Product Lines Filtered by Category Franklin Water Treatment Product Category Filters

Franklin Water Treatment Canada – Formerly Waterite delivers advanced water treatment systems and filtration solutions designed to improve water quality for residential and light commercial applications.

Building on the Legacy of Waterite, a respected Canadian water treatment manufacturer for nearly 40 years, Franklin Water Treatment Canada continues to provide reliable equipment engineered to address difficult water purification challenges such as hardness, chlorine, sediment, and other contaminants.

About Franklin Water Treatment Canada & Waterite

Now part of Franklin Electric, Waterite continues its legacy as Franklin Water Treatment Canada – combining decades of trusted service with the innovation of a global leader. Solutions include water softeners, filtration systems, and reverse osmosis systems, all engineered to meet the diverse water treatment needs of Canadian homes and businesses.

With a focus on performance, reliability, and practical system design, Franklin Water Treatment Canada offers a broad portfolio of water softeners, filtration systems, drinking water solutions, and point-of-use filtration products. These systems are designed to help protect plumbing and appliances while delivering cleaner, better-tasting water for homes and businesses.

The Franklin Water Treatment Canada product lineup includes complete water softener systems such as the HC, CC, MA, HP, and FWT series. These systems are engineered to address common water quality concerns including hardness, chlorine, iron, sediment, and other contaminants that can affect both water performance and taste.

In addition to full treatment systems, Franklin Water Treatment Canada offers an extensive range of point-of-use and point-of-entry filter cartridges. These include carbon block, granular activated carbon (GAC), pleated, polyspun, stringwound, and specialty cartridge designs suited for residential and commercial filtration applications.

Cartridge families include a broad range of Franklin Water (Waterite) Filters: Carbon Block, Impregnated Carbon, Granular Activated Carbon, Radial Hi Flow GAC, Inline Carbon, Pleated Sediment, Spun Polypropylene, Dual Gradient Polyspun, Stringwound Sediment, Stringwound Hot Water, Dual Media Polypropylene and High Flow Pleated filter / cartridges. Providing a comprehensive selection of dependable options for your reverse osmosis, drinking water, and whole-house filtration requirements.

If you are looking for a specific Franklin Water Treatment Canada system, replacement filter cartridge, or a compatible Waterite crossover part not listed on this page, please contact us by email or call our office (1-866-489-4004) for assistance. We can help you identify the correct filtration or water treatment solution for your application.

Browse our full selection of Franklin Water Treatment Canada water softeners, filtration systems, drinking water systems, and replacement filter cartridges and get dependable water treatment components shipped FAST from our Canadian warehouse DIRECTLY to your door. A real Water Guy can help you select the right system to improve your water quality.

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