BWT supply a range of plastic filter housings with various heights, sizes and connections to suit all applications and flow rates. Housings can be purchased separately or with a range of accessories including mounting brackets, spanners and fittings; check with BWT for all the options. Economical plastic housings in standard and jumbo size use the wide range of D.O.E. ( Double Open End) cartridges. Housings are pressure tested to ensure they perform in tough operating commercial and residential conditions and meet WaterMark specifications.