Hypertherm Kit:Fan Subassembly Subchasis 12V - 228474 by Hypertherm Save -8% $41.91 SKU HYP228474 Hypertherm - SKU HYP228474 Add accessories to hypertherm kit:fan subassembly subchasis 12v - 228474. Close Add Your items total will automatically update after adding options or accessories. You can edit your selections in the cart. Select Options & Accessories Quantity Add to cart