The Dolphin 1044-A is a Point of Entry (Whole House) filter. In addition to the wide range of Heavy Metals this unit was designed with fluoride reduction in mind. The Life VOC will filter a maximum of 8 gpm and is suited for both 3/4” and 1” incoming water lines. The unit is available either with an automatic backwash valve (which requires a 110 V outlet and access to a drain line) or a straight in/out valve with 5 micron pre-filter. Save on our most popular whole house filter!