nVent Schroff, TOP COV.VENT 25MM 500D R7021, Novastar Fan Top Cover With 2 Fans, Fan Height 25 mm, 553W 500D, Top covers with fans are compact active cooling units which do not consume rack space., Connecting cable 0.5 m, IEC C14 plug, St, RAL 7021, Top covers suitable for fan height 25 mm or 38 mm, Incl. grounding and cabling, Fan top cover (33 mm) raised