Duct Filters & Filter Inserts

Discover Simas Filters' range of duct filters and insert filters, also known as elf hat filters, designed for installation in round ventilation ducts. The special design provides a filter area approximately four times larger than the cross-sectional area of the duct. This results in lower pressure loss and longer cleaning intervals compared to similar flat filters.

Simas Filters also offers insert filters in various sizes, suitable for common ventilation systems such as Lindab. Choose Simas Filters for effective solutions for your ventilation needs.

Duct filter / Pipe filter ISO Coarse 60%/G3 ø100x220mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø100x220mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø100x220mm

Number: NH3 100/200

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø160x340mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø160x340mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø160x340mm

Number: NH3 160/340

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø200x420mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø200x420mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø200x420mm

Number: NH3 200/420

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø235x540mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø235x540mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø235x540mm

Number: NH3 235/540

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø250x540mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø250x540mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø250x540mm

Number: NH3 250/540

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø315x670mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø315x670mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø315x670mm

Number: NH3 315/670

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø400x860mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø400x860mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø400x860mm

Number: NH3 400/860

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Duct filter / Pipe filter ISO Coarse 60%/G3 ø125x260mm
Duct filter / Pipe filter ISO Coarse 60%/G3 ø125x260mm

Duct filter / Pipe filter ISO Coarse 60%/G3 ø125x260mm

Number: NH3 125/260

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Duct filter / Pipe filter ISO Coarse 60%/G3, ø500x1150mm
Duct filter / Pipe filter ISO Coarse 60%/G3, ø500x1150mm

Duct filter / Pipe filter ISO Coarse 60%/G3, ø500x1150mm

Number: NH3 500/1150UR

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Duct filter / Pipe filter ISO Coarse 80%/G4 ø125x260mm
Duct filter / Pipe filter ISO Coarse 80%/G4 ø125x260mm

Duct filter / Pipe filter ISO Coarse 80%/G4 ø125x260mm

Number: NH4 125/260

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Duct filter / Pipe filter ISO Coarse 80%/G4 ø200x420mm
Duct filter / Pipe filter ISO Coarse 80%/G4 ø200x420mm

Duct filter / Pipe filter ISO Coarse 80%/G4 ø200x420mm

Number: NH4 200/420

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Duct filter / Pipe filter ISO Coarse 80%/G4 ø250x540mm
Duct filter / Pipe filter ISO Coarse 80%/G4 ø250x540mm

Duct filter / Pipe filter ISO Coarse 80%/G4 ø250x540mm

Number: NH4 250/540

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