Hypertherm Kit:Ht4400 Annual Preventive Maint - 228011 by Hypertherm Save -8% $1,287.85 SKU HYP228011 Hypertherm - SKU HYP228011 Add accessories to hypertherm kit:ht4400 annual preventive maint - 228011. 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