12-7/16'' X 18'' OFFSET SYS 3 R12-7/16'' X 18'' OFFSET SYS 3 RAvailability: 10 in stockSKU: FG-3912Manufacturer part number: FG-3912 $16.81 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: FG-3912Product: 12-7/16'' X 18'' OFFSET SYS 3 RCategory: Filter Cartridges >> 12" O.D. FiltersProduct tags hot tub parts (7713), FG-3912 (1)