To reduce labor at the time of transporting or installing to a ceiling by decreasing the weight.
This fan filter unit 1 is composed of a fan side member 2 and a filter side member 3 and is formed by integrating with each other. The fan side member 2 is obtained by fixing a fan 21 to a fan supporting member of a supporting frame 22. The filter side member 3 is obtained by covering the whole of an air filter 31 with a sheet material 32 and a fan attaching hole and an air filter opening hole are bored on the sheet material 32 at the time of assembling. The fan 21 and the sheet material 32 are combined by inserting the outer frame of the fan 21 to the fan attaching hole of the sheet material 32 and joining with a joining band 4. The supporting frame 22 supports the air filter 31 and is joined with the sheet material 32 by inserting the outer frame of the air filter 31 in an air filter supporting part.
MIYAKE NOBUYUKI
KISHINO YUTAKA
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