Research Journal of the Water Pollution Control Federation, Vol. 61, No. 11/12 (November/December 1989), pp. 1651-1657 (7 pages) The two-stage backwash system (TSBS) has been developed for water ...

Exceptionally useful in the HVAC industry, especially in cooling tower applications, the TEKLEEN® line of ABW (automatic backwash) filters eliminate contamination, which can circulate through heat ...