Pentair FNS Plus Tank Bottom Assembly 36 sq ft | FNS Plus DE Filter | 170016 Underwater Games Routine use of CV-600 will

Routine use of CV-600 will positively maintain water clarity

⚠️ IMPORTANT: Full Filter Service Requires 3 Cartridges

Ideal for spas with mineral systems

Monitor operation until pool is emptied and unplug pump

Pentair FNS Plus Tank Bottom Assembly 36 sq ft | FNS Plus DE Filter | 170016 Underwater Games Routine use of CV-600 willThe Pentair Tank Bottom Assembly (170016) is the OEM replacement lower tank body section for the FNS Plus D. E. Filter in the 36 square foot configuration. The tank bottom assembly forms the lower pressure vessel of the FNS Plus filter, housing the internal grid assembly and managing the flow of water through the D. E. filter media. When the tank bottom develops cracks, stress fractures, or compromised sealing surfaces common after years of seasonal