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Need to replace an obsolete Nutone bathroom exhaust fan housing from the seventies without cutting into the lath and plaster ceiling below, so what current ultra-thin retrofit models offer at least 110 CFM through a three-inch duct?

ChatGPTgpt-61 query11/1/2026
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SEED QUERY
Need to replace an obsolete Nutone bathroom exhaust fan housing from the seventies without cutting into the lath and plaster ceiling below, so what current ultra-thin retrofit models offer at least 110 CFM through a three-inch duct?
1 real search · 1 real-search pass
ultra thin bathroom exhaust fan 110 CFM 3 inch duct retrofit housing manufacturer specificationsGoogle ↗
OBSERVED

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ChatGPT1 real searches · gpt-6
ultra thin bathroom exhaust fan 110 CFM 3 inch duct retrofit housing manufacturer specifications Google ↗

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Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
ultra thin bathroom exhaust fan 110 CFM 3 inch duct retrofit housing manufacturer specifications
OBSERVED
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