4" O.D. Filters - 4CH-935DF4" O.D. Filters - 4CH-935DFAvailability: 10 in stockSKU: 4CH-935DFManufacturer part number: 4CH-935DF $17.59 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 4CH-935DFProduct: 4" O.D. Filters - 4CH-935DFCategory: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), 4CH-935DF (1)