Product DescriptionCopper Filter Dryer – Moisture Magnet Molecular Copper Sieve Refrigerator Drier.Suitable For:Chest Freezer, Commercial Kegerator, Compact Fridge, Compressor Wine Fridge, Miniature Kegerator, Mini Freezer, Mini Fridge, Portable Fridge, Under counter Freezer, Upright Freezer OD size: 1″ Inlet: 1/4″ Outlet: 1/4″ Molecular : 25 Grams Quantity: 100 Counts