Original Zehnder, ComfoAir 350/500/550
Original filter set G4/G4 (Coarse) for MVHR Zehnder ComfoAir 350/500/550 - Item number Zehnder: 400100085 / 006040220
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Zehnder ComfoAir 350/500/550 filter set
Original Zehnder, ComfoAir 350/500/550
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