Poolex OPTI SIDE sand filter

• PF-OPT450S ⌀18" - Valve 1"1/2 / 50mm
• PF-OPT500S ⌀21" - Valve 1"1/2 / 50mm
• PF-OPT650S ⌀25" - Valve 1"1/2 / 50mm
• PF-OPT700S ⌀28" - Valve 1"1/2 / 50mm