Size: 15-3/16". BRAND NEW! FREE SHIPPING! This sale transaction is for ONE SINGLE covered element 23900-1174 for the Pentair Sta-Rite Filter System 3DE S7D75. Part number for the covered element 23900-1174. This transaction does not include the complete set of covered element. The transaction is for the replacement part number 23900-1174 only. This is a part and does not constitute a complete filtration system. #7 in the illustration. 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 have 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: Free shipping only applies to the U.S. 50 States PR. All other regions/international locations will be charged for shipping based upon location. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. Please allow ample arrival time for international destinations. Packages can sometimes be held up at the Customs office of your country for various reasons. If you have any questions, feel free to ask. Thank you for visiting!