> Securiton FBS 25 PC filter box, small, Ø 25 mm
> Source: https://pap.fi/en/tuote/securiton-fbs-25-pc/
> Full site in machine-readable form (in Finnish): https://pap.fi/llms-full.txt
> Pages in English: https://pap.fi/llms.txt

# Securiton FBS 25 PC filter box, small, Ø 25 mm

Product code 61419

Small filter box with filter mat installed in the sampling pipe before the detector. Also for deep-freeze areas, −30…+60 °C. Being discontinued, successor FBS 25 gg.

-   Includes filter mat, replacement mat FBS 25 PC EFM
-   For deep-freeze areas, −30…+60 °C
-   Being discontinued by the manufacturer (PMI-2639), successor FBS 25 gg

## Product description

FBS 25 PC is Securiton’s small filter box, installed in the sampling pipe before the detector. It contains a filter mat that separates dust and impurities from the air sample. According to the catalogue, it is a special filter for deep-freeze applications. The replacement mat is FBS 25 PC EFM.

According to Securiton’s notice PMI-2639, this light grey model is being discontinued by the manufacturer from 7 October 2026. The technically identical graphite grey replacement is FBS 25 gg (50-0500143-02-02), which suits ASD 2000 and ASD 53x detectors.

## Technical data

- **Product code:** 61419
- **Manufacturer:** Securiton
- **Manufacturer’s code:** FBS 25 PC (50-0500143-01-02)
- **Product group:** Aspirating smoke detection › Filters and maintenance
- **Replacement filter:** FBS 25 PC EFM
- **Pipe connection:** Ø 25 mm
- **Operating temperature:** −30…+60 °C
- **Material:** PC
- **Colour:** Light grey (RAL 7035)
- **Dimensions:** 80 × 82 × 85 mm (H × W × D)
- **Availability:** Being discontinued (PMI-2639), successor FBS 25 gg

## Documents

Original manufacturer documents (PDF).

### Technical datasheets

-   [Technical datasheet: FBS 25](https://pap.fi/liitteet/valmistajat/securiton__FBS_25_TD_GmbH_004032en_j.pdf) PDF · English · 590 kB
-   [Product catalogue (series): sampling pipe materials ASD 531–535 (DE/EN)](https://pap.fi/liitteet/valmistajat/securiton__ASD531-535_AM_T131194ED_k.pdf) PDF · multilingual · 1.4 MB
-   [Product catalogue (series): SecuriSmoke ASD 2026 (Securiton)](https://pap.fi/liitteet/valmistajat/securiton__SecuriSmoke_ASD_PC2026_F301en_c.pdf) PDF · English · 2.5 MB