Controls scale buildup and corrosion in coolers. Special formula holds minerals in suspension by raising the solubility level of the water. Reduces mineral buildup on pads must be used with a bleed off kit or PowerClean purge pump to flush suspended minerals. Lasts up to 3 months and is easy to install. Brand Name: Dial Height: 2 in. Width: 2 in. Color: White Material: Plastic Product Type: In-Line Scale Eliminator Cartridge Packaging Type: Cartridge Depth: 7-3/4 in. Compatibility: Scale Eliminator Boxed Controls scale build up in cooler pads by raising the solubility level of the water Not a sediment filter but a water conditioner Not for potable water Attaches to 1/4 copper poly water: Attaches to 1/4 copper poly water supply line Lasts all season