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 Sub Brand: Scale Eliminator Height: 3 in. Width: 11/16 in. Color: White Material: Phosphate Product Type: Heavy Duty D-Scaler Packaging Type: Clamshell Depth: 5-1/2 in. Clamshell In mesh bag Reduces mineral & scale build up: Reduces mineral & scale build up on cooler pads Should be used in conjunction w/a bleed-off line or Dial's power clean purge pump Time release formula conditions water to control scale build up To install into cooler, simply place in bottom cooler water reservoir