Vertical grid filter for in-ground pools and spas of all types and sizes * Inlet diffuser elbow distributes flow of unfiltered water evenly to all filter elements and provides even distribution of D.E. to grids * Plumbing options allow for customized control; heavy-duty, tamper-proof, 1-piece flange clamp securely fastens tank top and bottom. Allows quick access to all internal components without disturbing piping or connections. * 2-inch full-flow internal piping and plumbing for less resistance to flow and maximum performance * 48 -foot filter allows for both commercial and large residential applications and years of non- corrosive, trouble-free performance