197130 | Pentair Purex SMBW 4000 Series Filters Tank Bottom Jandy Stealth SHPM Tail Piece Monitoring and Replacement: Should be

Monitoring and Replacement: Should be replaced when its weight drops to about 40% of the original weight

supporting safe startup

OEM Kit for Multiple Hayward Models: Compatible with Navigator

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197130 | Pentair Purex SMBW 4000 Series Filters Tank Bottom Jandy Stealth SHPM Tail Piece Monitoring and Replacement: Should beOEM Pentair Tank Bottom 197130 is a critical replacement part designed for Purex SMBW 4000 Series D. E. filters. Constructed from heavy duty, corrosion resistant materials, it forms the structural foundation of the filtration system and ensures long term durability in harsh pool conditions. This tank bottom supports key components, including the filter grid assembly, and incorporates a rotor style backwash valve and handle to streamline maintenance.