---
tag: m0403
title: MMU2 Filament Type
brief: Set filament type for Multi-Material Unit 2.0
author: revilor

group: control
requires: PRUSA_MMU2

codes: [ M403 ]

notes:
- Requires a Průša Multi-Material Unit v2.0.
- Requires [`PRUSA_MMU2`](/docs/configuration/configuration.html#prusa-mmu2)

parameters:

- tag: E
  optional: false
  description: The MMU2 slot [0..4] to set the material type for
  values:
  - tag: index
    type: int

- tag: F
  optional: false
  description: The filament type.
  values:
  - tag: 0
    description: Default (PLA, PETG, ...)
  - tag: 1
    description: Flexible filament
  - tag: 2
    description: PVA

examples:
- pre: Set slot 0 to flexible
  code: M403 E0 F1

- pre: Set slot 3 to PVA
  code: M403 E3 F2

---

Set the filament type for a Průša MMU2 (or compatible) material slot.
