16-1/2'' X 18'' OFFSETSYS 3 REP16-1/2'' X 18'' OFFSETSYS 3 REPAvailability: 10 in stockSKU: FG-3916Manufacturer part number: FG-3916 $22.53 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: FG-3916Product: 16-1/2'' X 18'' OFFSETSYS 3 REPCategory: Filter Cartridges >> 13" O.D. FiltersProduct tags hot tub parts (7713), FG-3916 (1)