TSI Instruments AIRFLOW Instruments ProHood PH721 - Page 39

Chapter 5: Changing Flow Hoods 33
Figure 15: 1 ft × 4 ft (305 mm × 1220 mm) hood and frame. The support poles always cross as
pairs at the front and back of the fabric hood. For the 1 ft
× 4 ft (305 mm × 1220 mm), the support
poles are inserted into the outside ferrule locations.
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