4" O.D. Filters - 4CH-9204" O.D. Filters - 4CH-920Availability: 10 in stockSKU: 4CH-920Manufacturer part number: 4CH-920 $20.13 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 4CH-920Product: 4" O.D. Filters - 4CH-920Category: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), 4CH-920 (1)