Hypertherm Guard: Ht4400 Rear Panel Pneumatic - 002305 by Hypertherm Save -8% $103.24 SKU HYP002305 Hypertherm - SKU HYP002305 Add accessories to hypertherm guard: ht4400 rear panel pneumatic - 002305. 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