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Low Draft Fiberglass Hole Formers

PRODUCTS FOR :
  • 2° wall taper to accommodate the installation of flexible rubber manhole connectors
  • Smoothest surface available in the industry for easier extraction
  • Diameter tolerances allow for use of either toggle or adjustable band type connectors
  • 3/8" overall fiberglass laminate thickness
  • Structural ribs in back cavity to reduce impact blowout of face
  • Biaxial weave fiberglass employed in laminate to transfer impact stress loads in face to side wall
  • Available for immediate shipment to keep you producing
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