S3 L, M and H models are equipped with 3 bypass motors, they are easy to use with monitored filter performance. L-M-H certified for the collection of hazardous dusts.</p><br />">
Product Number 4010300268
S3 L, M and H models are equipped with 3 bypass motors, they are easy to use with monitored filter performance. L-M-H certified for the collection of hazardous dusts.