Benefit of using alixy fan filter; -Cleaner air coming out from the fan can reduce the cause of allergy. -Alixy fan filter can trap dust while using its daily. -Can use on various sizes of fan (blade size) -12-14 & 16 inches. -Suitable to use your electric fan within your home, office or work area. -Reduce dust collect on fan blade/ fan cover when using alixy fan filter. -Easy maintenance and washing of alixy fan filter. Individually pack with clear plastic Fan filter in black colour.