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Replacement hood 360 x 360 mm - for testo 420 

0554 4200
Replacement hood (360 x 360 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow straightener for high-precision measurement results. Inner dimensions 335 x 335 mm. 
 
In order to ensure that the measurement results are correct, a minimum outlet size of 335 x 335 mm should be provided.

Replacement hood and bag.