CARTRIDGE DIAMOND 4-1/4 4 2-1/16 OPEN 2-1/16 OPEN 10 SQFT $7.59 /EACH (1)CARTRIDGE DIAMOND 4-1/4 4 2-1/16 OPEN 2-1/16 OPEN 10 SQFT $7.59 /EACH (1)Availability: 10 in stockSKU: C-4310DFManufacturer part number: C-4310DF $9.87 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: C-4310DFProduct: CARTRIDGE DIAMOND 4-1/4 4 2-1/16 OPEN 2-1/16 OPEN 10 SQFT $7.59 /EACH (1)Category: Filter Cartridges >> 4" O.D. FiltersProduct tags hot tub parts (7713), C-4310DF (1)