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  1. This revolutionary sealing technology greatly reduces costly bypass airflow, increasing usable cooling unit capacity, and ensuring maximized efficiency from HVAC equipment.
    KoldLok ® 4" Round- Case
    Special Price $239.95 Regular Price $350.00
    (case of 10)
  2. This revolutionary sealing technology greatly reduces costly bypass airflow, increasing usable cooling unit capacity, and ensuring maximized efficiency from HVAC equipment.
    KoldLok ® 4" Round
    Special Price $31.50 Regular Price $35.00
    (Each)
  3. Air Guard 5 " Round Brush Grommet
    Air Guard 5 " Round Brush Grommet
    $39.85
    each
  4. Round Grommets from Koldlok feature Hybrid Brush Technology (HBT), making it the premium choice for your facility.
    KoldLok® 6" Round- Case
    Special Price $281.00 Regular Price $450.00
    (case of 10)
  5. Round Grommets from Koldlok feature Hybrid Brush Technology (HBT), making it the premium choice for your facility.
    KoldLok ® 6" Round Grommet
    Special Price $40.95 Regular Price $45.00
    (each)
  6. 4 x 4 Air Block® Grommet
    Air-Block® 4 x 4
    $40.90 As low as $36.81
    each
  7. Constructed of flame retardant and heat resistant materials
    Air Guard 5" Round - Surface Mounted
    Special Price $44.50 Regular Price $48.00
    each
  8. Complete Product
    AIR Guard Extreme Split Combo Brush and Rubber Gasket Grommet
    Special Price $78.50 Regular Price $80.00
    each
  9. Integral to the floor system, brushes on the top
    AIR Guard Extreme Split *Discontinued*
    Special Price $68.50 Regular Price $75.00
    each
    Out of stock
  10. SplitLok Square 5050
    KoldLok ® SplitLok Square 5050 - Case
    Special Price $399.95 Regular Price $510.00
    (case of 10)
  11. SplitLok Integral 4040
    KoldLok ® SplitLok Integral 4040 - Case
    Special Price $569.95 Regular Price $680.00
    (case of 10)
  12. Reduces air loss in plenum cooled floors and increases under-floor static pressure.
    AIR Guard Surface Mount 8 x 8
    Special Price $80.93 Regular Price $85.25
    each
  13. Split design allows installation or removal without disturbing existing cables
    KoldLok ® Mini Brush Grommet - Case
    Special Price $277.02 Regular Price $440.00
    (case of 10)
  14. KoldLok Split Integral 3030
    KoldLok ® Split Integral 3030 - Case
    Special Price $549.95 Regular Price $880.00
    (case of 10)
  15. Mounts on existing raised floors
    KoldLok ® Surface Mount XL 2040 Brush Grommet - Case
    Special Price $854.00 Regular Price $1,140.00
    (case of 10)
  16. KoldLok Surface Mount L
    KoldLok ® Surface Mount L 2030 Brush Grommet - Case
    Special Price $812.00 Regular Price $1,040.00
    (case of 10)
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