Pump and filter bank installation is a specialised job that should be carried out by a competent contractor. Inline filters can however be installed very easily. The filter is attached to risers so that it is above ground. The bottom end of the risers is fitted with riser outlet bends which are spigots to slide over the pipe. At the back of each riser leg, a Y-standard is hammered in and tied down to the riser to keep the leg from popping out. The valve clusters are installed in the same way.