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Stainless steel worm-drive clamps are the standard in connecting ducts to fans and filters.
Eliminates the use of tape that loosens and wears away over time.
To use - Simply loosen the clamp with a screwdriver or 1/4 driver slide the clamp over the ducting, position correctly and tighten the screw firmly in a clockwise direction until fixed in place.
This 150mm clamp has an adjustable range of 141mm-165mm.
Also available in 100mm, 125mm & 200mm
Please Note: To use with acoustic ducting, order one size up. To fit 150mm acoustic ducting, order 200mm clamps