Sand Filters are one of the most popular ways to keep pool water clean. Not only is it effective,\nit saves on cost and time since the sand needs replacement just once every five years – making\nthe sand filter system one of the easiest to maintain. As an alternative, Intex Glass Filter Media\n(item# 29058) may also be used in place of conventional sand.\n\n- Enables pool owner to filter, backwash, rinse, recirculate, drain & close system\n- Automatic daily setting\n- Ideal for above ground pools\n- Safety shut-off; meets UL standard\n- Easy-cleaning, prolongs life of sand