4" O.D. Filters - 2540-3874" O.D. Filters - 2540-387Availability: 10 in stockSKU: 2540-387Manufacturer part number: 2540-387 $47.86 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 2540-387Product: 4" O.D. Filters - 2540-387Category: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), 2540-387 (1)