This is bob from haixing wedge wire company in china.Wedge wire single / dual velocity strainers, manufactured uniquely in stainless steel, are successfully used in mixed beds, ion exchangers and regenerators of condensate polishing system. Advanced design ensures extended service runs, effective flushing of resins, short regeneration time, effective separation of mixed beds and highly efficient operation at low cost.The combination of high open area and a non-plugging slot design makes these strainer applications popular. Typical filter strainers are fabricated with a blind cap on one end and washer fixed with a threaded stem on the other end. Filter strainer can be made with many different slot sizes and body configurations to suit specific flows or media retention.Please tell us your demand and then we design , manufacture for you.Yours faithfully bob.