Lowell SVPL-4 Steel Vent Panel, 4U, 63% Open Area

The SVPL-4 is a 4U steel vent panel with a black powder-epoxy finish and large staggered holes giving 63 percent open area for a 19-inch rack.

Lowell currently lists this size as limited; the 2U SVPL-2 is the manufacturer's suggested in-stock alternative.