# Filament Settings

Under the filament settings tab, you can set the extrusion temperature, bed temperature and cooling fan percentage for print cooling. Another important setting here is the extrusion multiplier setting which affects the filament extrusion rate. Other settings here manipulate the print speed for cooling purposes as well as weight of used filament calculation.

**Calculating the extrusion multiplier is crucial to get accurate filament deposition and avoiding overextrusion or underextrusion. Read more here:**

{% embed url="<https://help.prusa3d.com/en/article/extrusion-multiplier-calibration_2257#:~:text=In%20PrusaSlicer%2C%20navigate%20to%20Filament,it%2C%20simply%20rewrite%20the%20value>." %}
Extrusion multiplier setting
{% endembed %}

**Max volumetric speed is tied to the filament's extrusion rate and print speed. Find out more about it here:**

{% embed url="<https://help.prusa3d.com/en/article/max-volumetric-speed_127176>" %}
Max volumetric speed
{% endembed %}

**Print cooling settings are important for certain filaments that need a lot of cooling or very little at all. Read about it here:**

{% embed url="<https://help.prusa3d.com/en/article/cooling_127569>" %}
Print cooling settings
{% endembed %}


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