Product Description 10 in. Inline carbon ice maker filter with brass 1/4 in. Od compression fittings. Used to improve the taste of water. Replace every 1500 gallons or 6 months. Carded 2 in. X 10 in. From the Manufacturer LASCO 37-1821 Ice Maker Inline Filter, 2-Inch Diameter x 10-Inch, 1/4-Inch OD Compression Connection. Inline ice maker filter. 1/4-Inch compression connection fittings. 2-Inch x 10-Inch. Use to filter taste in water. Filters 1500 gallons. Use to filter taste in water.