Lot sale of (12) 2 packs Culligan CW-F Whole House Water Filter Replacement Cartridges. Quantity of (12) 2 packs (24 total) CW-F Water Filter Cartridges. 12 x 2 Per Pack, Whole House Sediment Water Filter Replacement Cartridges. Filters Scale, Rust Particles, Sand, Dirt, & Silt. Filter Life 3 Months Or 12,000 Gallons. For Use With Model #HF-150A Or Model #HF-360 Water Filters.