Replacement Air Filter for F LF/5, Fan LF/ELF and Conversion Kit F/C Key benefits Designed to fit precisely: 226 x 226 x 18 mm with a 95 mm center hole for a secure, effective fit in F LF/5, Fan LF/ELF and conversion kit F/C units. Traps dust and particles: G4-rated filtration captures larger airborne dust, reducing build-up inside the fan and helping maintain airflow performance. Improves fan life and safety: Durable cotton construction resists wear over time, protecting internal components and supporting longer fan service life. Reduces noise and improves efficiency: Cleaner internals mean less mechanical resistance and lower noise during operation, while keeping ventilation effective. Product details Compatibility: Specifically made for F LF/5, Fan LF/ELF and conversion kit F/C. Dimensions: 226 x 226 x 18 mm with a 95 mm center hole — exact sizing for reliable replacement. Material: Durable cotton filter media built for repeated use and steady filtration. Filtration class: G4 — effective at catching dust and coarse particles common in bathrooms. Practical uses Bathroom exhaust maintenance: Replace the filter during routine bathroom fan servicing to prevent dust buildup and maintain optimal ventilation. Residential homes: Use in homes with F LF/5 or Fan LF/ELF units to keep air moving cleanly and quietly in small bathrooms and toilet rooms. Light commercial restrooms: Suitable for small commercial restroom fans using the listed conversion kit to reduce maintenance frequency and sustain performance. Why choose this filter Exact-fit dimensions and center hole match ensure straightforward replacement without modification. G4 filtration and cotton construction offer a balance of performance and durability for everyday bathroom environments. Helps reduce maintenance, lower operational noise, and protect the fan for reliable ventilation over time.