A metal grille is available for various ventilation fans - WhisperGreen~? (models FV-05VK1, FV-08VK1, FV-08VKS2, and FV-13VKS2), WhisperCeiling? (models FV-05VQ3, FV-08VQ3, FV-11VQ3 and FV-15VQ4) WhisperFit? (models FV-05VF2, FV-08VF2, FV-11VF2) Whisper-Value? (models FV-05VS1, FV-08VS1, FV-10VS1) and radiation damper PC-RD05C3.
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