FilterBalls eBlu™ (3-pack) - For sand housings rated at 250 - 300 Lbs Color:Blue SAFETY STANDARDS - Health and

SAFETY STANDARDS - Health and Safety Standards for the pool industry and commercial food and beverage processing are set by the National Safety Foundation (NSF) and certified by independent laboratories like Underwriter Laboratories

You may recycle your FilterBalls every 3 to 5 years

Replacement for Sand

CleanTech Water Filter Media - 100% MADE IN THE USA

FilterBalls eBlu™ (3-pack) - For sand housings rated at 250 - 300 Lbs Color:Blue SAFETY STANDARDS - Health andAbout this item CleanTech Water Filter Media 15 Micron 100% MADE IN THE USA, Easy to Install as compared to 45 Micron Sand FILTERBALLS BLU WATER FILTER The go to filter for pool applications. At 15 microns, FilterBalls Bl is superior when compared to sand media with just 20 35 micron filtration. By using Bl, organic material such as pollens can now be removed, improving your water quality for clear results. Perfect for Swimming Pool, Spa, Water Parks,