Grommets protect cables, and can be used on any 4” trade-size electrical knockout or used on 4-1/2” fan knockouts on Middle Atlantic Products top options. Allows for ganging without using expensive electrical fittings. GK-4G gland grommet blocks dust and helps control airflow.
Round gland grommet fits 3” knockouts in compatible racks
Keeps dust out, but is easily opened for routing cables
Sold in packs of 4 pieces
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