Main Access Hercules 4CH4002R Power Ion Chamber System Sku: MAI-4CH4002R-91 This is a brand new part comes with a full manufacturer warranty!!! This sale transaction is for only this part number: 4CH4002R. The 4CH4002R is the replacement chamber for the Power Ionizer, the Main Access Power ion system and the Main Access Power Ionizer. Must be replaced before each pool season. Features: Power Ion Reply Diode Chamber Manufactured to the highest standards to provide you with a quality product Best value for your money 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!