> Securiton DFU 535XL RC replacement cartridge, DFU 535XL
> Source: https://pap.fi/en/tuote/securiton-dfu-535xl-rc/
> Full site in machine-readable form (in Finnish): https://pap.fi/llms-full.txt
> Pages in English: https://pap.fi/llms.txt

# Securiton DFU 535XL RC replacement cartridge for the DFU 535XL filter unit

Product code 61418

Replacement cartridge for the older DFU 535XL dust filter unit.

-   For the DFU 535XL filter unit
-   The successor filter unit is DFU 911

## Product description

DFU 535XL RC is Securiton’s replacement cartridge for the DFU 535XL dust filter unit. According to Securiton’s service information SI98, the DFU 535 filter is replaced every three months. The notice also explains when it is worth replacing the DFU 535 with a DFU 911 unit.

## Technical data

- **Product code:** 61418
- **Manufacturer:** Securiton
- **Manufacturer’s code:** DFU 535XL RC (11-2300070-01-01)
- **Product group:** Aspirating smoke detection › Filters and maintenance
- **Compatibility:** DFU 535XL
- **Replacement interval:** 3 months (SI98)

## Documents

Original manufacturer documents (PDF).

### Technical datasheets

-   [Product catalogue (series): SecuriSmoke ASD 2026 (Securiton)](https://pap.fi/liitteet/valmistajat/securiton__SecuriSmoke_ASD_PC2026_F301en_c.pdf) PDF · English · 2.5 MB

### Other documents

-   [Service information SI98 on replacing DFU 535 with DFU 911](https://pap.fi/liitteet/valmistajat/securiton__DFU_911_SI98_en_DFU_535_Modernization_with_DFU_911.pdf) PDF · English · 95 kB