# High Surface Area, High Retention (700MB)

> Fil-Trek High Flow Filters. Canonical page: https://www.fil-trek.com/products/high-flow-filters/700mb

Category: High Flow Filters
Series: 700MB
Model format: `700MB-[MICRON]-[SIZE]-[SEAL]`
Example: `700MB-25A-40-BN`

## Overview
High-surface-area depth cartridges engineered for low-flow, high-dirt applications to extend service life and stabilize differential pressure

## How It Works
Fluid flows outside-to-inside through meltblown depth layers that capture particles throughout the media thickness for clean effluent

## Applications
- Final polishing after multimedia/GAC
- RO protection at tight microns
- Sumps/tank transfer high-dirt service
- Hot water/chemicals
- Glycol/coolant loop clarity control
- Food/beverage clarification
- General utilities/equipment protection
- Data centers: TCS CDU filtration, FWS cooling tower, chilled water filtration

## Physical Specifications
- **flow direction:** Outside-to-inside
- **backwash-able:** No
- **outside diameter options:** 6.5"
- **inner diameter options:** 1.6"
- **nominal length options:** 28", 30", 40"
- **caps materials:** Polypropylene
- **cores materials:** Polypropylene
- **gasket material options:** Buna-N, EPDM, Silicone, Viton

## Media Specifications
- **media primary options:** Polypropylene
- **micron ratings:** Nom. 1, Nom. 5, Abs. 15, Abs. 25, Abs. 40, Abs. 70
- **media rating:** Nominal, Absolute
- **changeout dp:** 15 PSID
- **burst pressure:** 50 PSID
- **max temperature:** 180°F
- **approvals certifications:** FDA Listed

## Housing Compatibility
- Fil-Trek 700V Series
- Fil-Trek 700H Series

## Ordering
- Model format: `700MB-[MICRON]-[SIZE]-[SEAL]`
- Example: `700MB-25A-40-BN`

### Micron codes
- **1:** Nominal 1
- **5:** Nominal 5
- **15A:** Absolute 15
- **25A:** Absolute 25
- **40A:** Absolute 40
- **70A:** Absolute 70

### Seal codes
- **BN:** Buna-N
- **EP:** EPDM
- **SI:** Silicone
- **VI:** Viton

### Size codes
- **28:** OD 6.5", ID 1.6", length 28"
- **30:** OD 6.5", ID 1.6", length 30"
- **40:** OD 6.5", ID 1.6", length 40"

### Micron ratings
- Nom. 1, Nom. 5, Abs. 15, Abs. 25, Abs. 40, Abs. 70

## Contact
- **sales@fil-trek.com** — all filtration product inquiries, projects, filter housings, and filtration systems
- **filters@fil-trek.com** — replacement filter media, filter elements, filter bags, hardware, and spare parts

## Links
- HTML: https://www.fil-trek.com/products/high-flow-filters/700mb
- Markdown: https://www.fil-trek.com/products/high-flow-filters/700mb.md