Koldlok® & HotLok® Grommet

Availability: In stock

Koldlok® & HotLok® Grommet
  • 185-4890: Mini Grommet
    185-4890: Mini Grommet
  • 185-4889: Wave Grommet
    185-4889: Wave Grommet
  • 185-4888: Integral Grommet
    185-4888: Integral Grommet
  •  185-4887: HotLok®  Round 4″ Rack Mount Grommet
    185-4887: HotLok® Round 4″ Rack Mount Grommet

KoldLok® Grommet

  • Koldlok® Integral Grommet (1010) 185-4888 allow tiles to be moved without capturing cables
  • Koldlok® Wave Grommet (20100) 185-4889 has sealing effectiveness wave shaped thermoplastic elastomer offers the best sealing against bypass airflow, unsurpassed by any brush grommet.
  • Koldlok® Mini Grommet (10077) 185-4890 has a smaller size 6” x 4” (152 x 102 mm) and offers flexibility for data centers that have multiple cable opening sizes.
  • HotLok® Round Rack Mount Grommet, (40002) 185-4887 the latest patented thermal management solution is the premium choice for your facility. Its revolutionary sealing technology greatly reduces costly bypass airflow, increasing usable cooling unit capacity, and ensuring maximized efficiency from HVAC equipment.

HotLok® Grommet Round Pass through

  • Supports increasing rack and cabinet density
  • Increases existing cooling unit capacity
  • Reduces the need to purchase additional cooling units
  • Improves IT equipment reliability and extends equipment life
NOTE: This information was provided by Upsite Technologies®.

System compatible with these racks

Product Name SKU Price Qty
Round 4'' Rack Mount Grommet (no collar) 185-4887
KoldLok Integral Raised Floor Grommet 185-4888
KoldLok Wave Raised Floor Grommet 185-4889
KoldLok Mini Raised Floor Grommet 185-4890



The KoldLok Gromment product were developed to provide the best seal against this wasted airflow.Designed to seal openings in new raised floor cutouts prior to the installation of communications, power, or other cabling. HotLok® Round Rack Mount Grommet is designed to seal 4” (102mm) cable openings in new and existing server rack cutouts to block bypass airflow and maximize cooling system efficiency.

NOTE: This information was provided by Upsite Technologies®.
Additional Information

Additional Information

RoHS Compliant Yes

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