Wedge Wire Resin Trap Filter for Ion Exchange in Water Treatment ✔ Ion exchange is critical to removing contaminants such as heavy metals, calcium, and magnesium. ✔ Resin trap filters prevent resin particles from entering ion exchanger downstream equipment or processes, where they can cause damage or reduce efficiency. ✔ https://www.wedgewire-filter.com/news-resin-trap-filter-for-ion-exchange.html