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Supersonic Air Knife ST Standard

The Supersonic Air Knife® line uses high-pressure air to dig trenches, remove compacted soils and locate utilities. By delivering air at nearly twice the speed of sound, it allows the user to loosen even the most compacted soils without damaging tree roots, irrigation, or power lines.

The ST line includes a heavy-duty, stainless steel barrel and nozzle assembly. Ideal for utility and heavy-duty trenching. Also available with a brass nozzle/copper wear tip when spark resistance is needed.

  • Kits come with 1″ x 30′ air hose with 2-prong Chicago couplings, and travel case.
  • Use with 125 psi/185 cfm compressor.

SUPERSONIC AIR KNIFE® – ST STANDARD – 402-11
SUPERSONIC AIR KNIFE® – ST STANDARD KIT – 0402-11-01
SUPERSONIC AIR KNIFE® – ST STANDARD CU – 402-15
SUPERSONIC AIR KNIFE® – ST STANDARD CU KIT – 402-15-01

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