230-IKC4 SPEEDI CHANNEL KIT 4" INCL: 3 PC 230-D4 - 48" CHANNEL 1 PC 230-WC4 - PENETR. CVR. 1 PC 230-LFB - LR B/W 90 2 PC 230-CP4 - COUPLING 1 PC 230-DE4 - DUCT END 2 PC 230-DCLIP10 - TIES/CLP