Features:
• 4″ square, 4-11/16″ square and 4″ octagon models
• Covers gasketed with PVC foam material
• Airtight knockouts
• To maintain plenum seal, boxes do not have ground
screw holes
• Drawn steel construction
Maintain code-compliance in plenum areas with RACO’s airtight Plenum boxes. Gasketed covers and leak-free KO’s meet the most rigid code requirements