Hypertherm Kit:Pmx45 Air Filter Element - 228302 by Hypertherm Save -8% $27.82 SKU HYP228302 Hypertherm - SKU HYP228302 Add accessories to hypertherm kit:pmx45 air filter element - 228302. 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