Replacement, Tips, Natural Gas, for 23, 32, Jet Burner 12 PCS Refund or Exchange: All return require AM Supply Servies pre-authorization, must be made within 14 days of receive, in original condition with packaging (New and Unused), and subject to 30% restocking charge. Exchange or refund. We shall not be liable for any merchandise defects, spoilage of products, loss of sales, or consequential damages.