Sterling Hydrotech Ltd products

Filter Media

Sterling - Activated Filter Media (AFM)

AFM Activated Filter Media is a replacement for sand. It is made from recycled green and brown container glass. During manufacturing of AFM® the activation process increases the negative electrical surface charge of AFM, this acts like a magnet, positive and dipolar charged particles coming through the filter are attracted by the AFM® grains, thereby increasing filtration performance.

Sterling - Model OC-1 - Filtration Media

OC-1 filter media work in a different way to standard sand and glass media as it works through settlement and harnesses advances in pump technology and variable speed pumps/controllers. The OC-1 filter media has benefits – by replacing existing sand and glass media with OC-1 it is possible to reduce the head loss in the filtration system.