Pentair Replacement Cartridge | 186 Leaf Trap Series | R172653 Swimwear Accessories at-a-glance reading so you can

at-a-glance reading so you can backwash at the right time — protecting both filtration performance and pump efficiency

resulting in leaks at the equipment connection points

replacement filter cartridge engineered for precise dimensional compatibility with a wide range of pool and spa filtration systems

and a clear reference photo prevents miswiring during reinstallation

Works in the filter (no clouding of the pool water)

Pentair Replacement Cartridge | 186 Leaf Trap Series | R172653 Swimwear Accessories at-a-glance reading so you canThe Pentair R172653 is the OEM replacement 25 sq. ft. cartridge with plug for the Pentair Model 186 Leaf Trap series. The cartridge is the primary filtration element inside the Model 186 Leaf Trap, capturing leaves, debris, and fine particulate before they reach the pump basket or impeller. The included plug seals the cartridge port during removal and reinstallation, preventing unfiltered water bypass. When the cartridge becomes clogged or damaged,