Pentair #8 External Tooth Lockwasher OEM | U43-21SSZ Standard 2" Spring Cleanup Cartridge Set of

Spring Cleanup Cartridge Set of 2 | RCX70103PAK2

and dim to your preferred brightness for tailored ambiance

and other hard-to-clean debris

pool filter by Pentair (SKU EC-188593) with four removable cartridges

Simple Drop‑In Installation: Easily installs with standard tools—ideal for both pros and DIY maintenance

Pentair #8 External Tooth Lockwasher OEM | U43-21SSZ Standard 2" Spring Cleanup Cartridge Set ofPentair #8 External Tooth Lockwasher OEM Pump Hardware U43 21SSZ OEM Pentair U43 21SSZ #8 external tooth lockwasher. Prevents loosening from vibration in Max E Pro, IntelliPro, and Dura Glas pumps. Features OEM Pentair replacement for secure fastening performance. External tooth design locks screws in place under vibration. Corrosion resistant stainless steel for long service life. Description The Pentair U43 21SSZ External Tooth Lockwasher (#8) is a