Leisure Time D Metal Gon Sku: LEI-D-CIN91 This is a brand new part comes with a full manufacturer warranty!!! This sale transaction is for only this part number: D. Easy to apply, this concentrated formula prevents iron and other metals from building up in your spa. Use with each refill to quickly neutralize metals in your spa and prevent unsightly stains. Features: Prevents iron and other metal buildup from staining spa finish One time application - good until next refill Applications: Start-Up: Turn off ALL equipment. Pour entire bottle contents evenly around spa edge. Run filter for at least 30 minutes. TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 14 days. You will heave to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING:Shipping charge will be based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting!