Koldlok 40001 4" Round Floor Grommet

The Koldlok 4" round grommet fits in server rack tops or at the floor level. Protect against bypass airflow while still providing cable entry access.  Designed to seal openings in new and existing raised floor cutouts to block bypass airflow and maximize cooling system efficiency.

The 4" Round Grommet features Hybrid Brush Technology (HBT), making them the premium choice for your facility. Their revolutionary sealing technology greatly reduces costly bypass airflow, increasing usable cooling unit capacity, and ensuring maximized efficiency from HVAC equipment.

• The split feature of the KoldLok Round 4" allows product installation or removal without disturbing cables 
• The Grommets contain no loose or partially fastened parts, which can become separated or fall through the raised floor
• The Grommets are impact resistant and durable
• The Grommets feature an extra sealing HBT Membrane Layer
• The Grommets satisfy NFPA 75 Section 5-4.4 requirement by self-dressing the raw metal edges of raised floor tile cable cutouts
• KoldLok products are compliant with directive 2002/95/EC of the European Parliament and the Council on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electric Equipment (RoHS)
• The Grommets feature a membrane support structure
• The Grommets have a tapered joining structure