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  1. Brushes prevent air flow by forming a tight seal around cables.
    Air-Block® 6 Inch With Brush
    Special Price $53.85 Regular Price $54.75
    each
  2. Neatly secures cabling, flush design in black
    AirBlock 2 Inch Grommet with Gasket
    Special Price $7.56 Regular Price $9.45
    each
  3. Brushes create a nice seal around the cables
    AirBlock 3 Inch Brush Grommet
    Special Price $23.94 Regular Price $27.50
    each
  4. Rubber seal blocks air flow in plenum applications
    AirBlock 3 Inch Grommet with Gasket
    Special Price $11.34 Regular Price $12.60
    each
  5. Brushes create a nice seal around the cables
    AirBlock 4 Inch Brush Grommet
    Special Price $28.28 Regular Price $31.65
    each
  6. Neatly secures cabling, flush design in black
    AirBlock 4 Inch Grommet with Gasket
    Special Price $13.50 Regular Price $15.75
    each
  7. A special neoprene insert inside of the grommet creates an airtight seal around cables, eliminating air loss
    AirBlock 5 Inch Aluminum Air Blocking Grommet
    Special Price $44.50 Regular Price $49.80
    each
  8. A special neoprene insert inside of the grommet creates an airtight seal around cables, eliminating air loss
    AirBlock 6.5 Inch Air Blocking Grommet
    Special Price $29.96 Regular Price $32.40
    each
  9. Will satisfy NFPA 75 Section 5-4.4 requirement by self-dressing the raw metal edges of raised-floor tile cable cutouts
    KoldLok ® 4" Round- Case
    Special Price $239.95 Regular Price $350.00
    (case of 10)
  10. Will satisfy NFPA 75 Section 5-4.4 requirement by self-dressing the raw metal edges of raised-floor tile cable cutouts
    KoldLok ® 4" Round
    Special Price $31.50 Regular Price $35.00
    (Each)
  11. KoldLok grommets greatly reduce costly bypass air flow
    KoldLok ® 6" Round- Case
    Special Price $299.95 Regular Price $450.00
    (each)
  12. KoldLok grommets greatly reduce costly bypass air flow
    KoldLok ® 6" Round Grommet
    Special Price $40.95 Regular Price $45.00
    (each)
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