Risers can be added to any existing tank.  The plastic risers and lids will replace the existing cast concrete lids.  Large risers and lids like the one pictured promotes system maintenance by making tank access much easier.  An easily accessible ground level lid is necessary for gaining access to your effluent filter. 

 

 

 

 

 

 

 

 

 

Aftermarket risers and lids are also much better looking than the typical PVC stand pipe.