4" O.D. Filters - 4CH-194" O.D. Filters - 4CH-19Availability: 10 in stockSKU: 4CH-19Manufacturer part number: 4CH-19 $14.00 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 4CH-19Product: 4" O.D. Filters - 4CH-19Category: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), 4CH-19 (1)