Original Swegon CASA W3 / W4 Filter Set W304F

Original Swegon CASA Filter Set. Suitable for all Swegon CASA W3 and W4 air handling units.

The filter package includes:

• 1 filter class for ISO ePM1 50% (F7) supply air
• 1 for ISO coarse (G3) exhaust air
• 1 piece of non-combustible filter for PPI 20 supply air
• HVAC number 7906599

Spare part code W304FS

Choose genuine and original Swegon CASA filter

Using original filters ensures that the factory warranty for your device is valid and works according to plans and regulations.

• Warranty valid
• The devices will work as intended
• Longer Interval = Cost Savings
• Using incorrect filters may cause problems in your home's ventilation.

How often do I need to change my filters?

Filters should be changed at least once a year, but preferably twice a year, always in spring and autumn.

How do I change filters?

Replacing the filters themselves is easy and quick and requires no tools or specialist knowledge. For details, refer to the service manual or the service video below.