Check the listing for details. DELUXE POOL IONIZER REPLACEMENT ELECTRODES MODEL SPDC Treats 50,000 Gallons. Condition: New. Listed at 339.00 USD. Sunshine Ionizer Model SPD DELUXE POOL SUNSHINE IONIZER REPLACEMENT CELL For Natural Pool Water Model SPDC Replacement Electrode Cell for models SPD, and SPD2,or any other Deluxe Sunshine Ionizer that has the same union connection. 2" Half Union with Nut8 ft cord Treats 50,000 GallonsJust the Metal Electrodes Weigh 3 lbs.The Electrodes are 6" Long and have a 1.5 inch Diameter.This is for the Replacement Cell Only. For a Complete System see Model SPD. Click Here To See Our Other Products In Our Ebay Store SALES POLICY Please allow 7 to 10 days after payment is made to receive shipment. Returns must be made within 30 days of purchase, and items must be in new condition. SHIPPING AND TRACKING INFORMATION Please not do request shipping information unless you have not received your item 14 days after making payment. If for some reason your shipment will be delayed we will contact you by email. Thanks, and good bidding, Richard Barnes Owner Sunshine Pool Products