North Star Water Softener/Central Water Filtration Product Insert (QR Code) February 27, 2024 15:17 Updated Click document to view: English/French Northstar_Product Resource Insert BW_7397903_RevA.pdf 700 KB Download Related articles Ordering Replacement Parts Welcome to the North Star Water Softener Family NST30ED, NST45ED1, NST70ED1 Manual Congratulations on your new purchase! Whole Home Replacement Filters