# High Surface Area, High Retention (800MB)

> Fil-Trek High Flow Filters. Canonical page: https://www.fil-trek.com/products/high-flow-filters/800mb

Category: High Flow Filters
Series: 800MB
Model format: `800MB-[MICRON]-[LENGTH]-[SEAL]`
Example: `800MB-25A-40-BN`

## Overview
Large-area meltblown depth cartridges optimized for long life in low-to-moderate flow duties with stable pressure performance

## How It Works
Fluid passes outside-to-inside through graded-depth meltblown layers that trap particulates progressively for cleaner outlet flow

## Applications
- RO/UF pretreatment and SDI control
- Desal intake/well water sand & silt
- Cooling-tower sidestream filtration
- Produced-water/wastewater solids removal
- Tank filling/line flushing guard filter
- Paint/coatings batch prefilter
- Electronics/process rinse-water prefilter
- Marine/offshore utility water particulate

## Physical Specifications
- **flow direction:** Outside-to-inside
- **backwash-able:** No
- **outside diameter options:** 8"
- **inner diameter options:** 1.6"
- **nominal length options:** 40", 60"
- **caps materials:** Polypropylene
- **cores materials:** Polypropylene
- **gasket material options:** Buna-N, EPDM, Silicone, Viton

## Media Specifications
- **media primary options:** Polypropylene
- **micron ratings:** 1 Nom., 5 Nom., 15 Abs., 25 Abs., 40 Abs., 70 Abs.
- **media rating:** Nominal, Absolute
- **changeout dp:** 15 PSID
- **burst pressure:** 50 PSID (3.44 bar) @ 77°F (25°C)
- **max temperature:** 180°F
- **approvals certifications:** FDA Listed

## Housing Compatibility
- Fil-Trek 800V Series
- Fil-Trek 800H Series

## Ordering
- Model format: `800MB-[MICRON]-[LENGTH]-[SEAL]`
- Example: `800MB-25A-40-BN`

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

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

### Size codes
- **40:** OD 8", ID 1.6", length 40"
- **60:** OD 8", ID 1.6", length 60"

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

## 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/800mb
- Markdown: https://www.fil-trek.com/products/high-flow-filters/800mb.md