- Optimal fit for specific models Designed to fit F LF/5, fan LF/ELF and the conversion kit F/C. They feature a 95 mm center hole and dimensions 226 x 226 x 18 mm for a snug, secure installation. - Cotton material Made from cotton for durable, reliable filtration in humid bathroom environments. Helps maintain clean air and protects the exhaust fan from dust and debris. - Effective dust filtering G4 filtration captures dust and particulates before they reach the fan, reducing buildup, supporting quieter operation, and improving ventilation efficiency. - Use scenarios - Replace worn filters in residential bathrooms with LF/5 or ELF fans to improve air quality and protect the unit - Retrofit existing fans with the F/C conversion kit for upgraded filtration without full replacement - Install in bathrooms with higher dust, hair, or pet dander loads to minimize maintenance and noise