5" O.D. Filters - 6541-397S5" O.D. Filters - 6541-397SAvailability: 10 in stockSKU: 6541-397SManufacturer part number: 6541-397S $137.65 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 6541-397SProduct: 5" O.D. Filters - 6541-397SCategory: Filter Cartridges >> 5" O.D. FiltersProduct tags hot tub parts (7713), 6541-397S (1)