4" O.D. Filters - 4CH-224" O.D. Filters - 4CH-22Availability: 10 in stockSKU: 4CH-22Manufacturer part number: 4CH-22 $19.52 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 4CH-22Product: 4" O.D. Filters - 4CH-22Category: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), 4CH-22 (1)