Pentair Cartridge Rainbow Dynamic 75 Sq Ft 4-Pack | R173435 QuikWaterLeveler Because it’s a dedicated part

Because it’s a dedicated part for the TR40

This part is black and can be found in the bottom housing next to the gearbox assembly or again above the center opening on the bottom of the cleaner

Fits Pentair MasterTemp pool and spa heater models 400NA

Easy to install for quick maintenance

Hayward Star-Clear 100

Pentair Cartridge Rainbow Dynamic 75 Sq Ft 4-Pack | R173435 QuikWaterLeveler Because it’s a dedicated partPentair Cartridge Rainbow Dynamic 75 Sq Ft 4 Pack R173435 The Pentair Cartridge Rainbow Dynamic 75 Sq Ft 4 Pack (part number R173435) is designed to deliver superior filtration for your pool or spa. These premium replacement cartridges effectively capture dirt, debris, and other contaminants, ensuring optimal water clarity and extending the efficiency of your filtration system. Features High Performance Filtration: Removes fine particles and debris