Pentair Replacement Cartridge | 186 Leaf Trap Series | R172653 Plumbing Repair lightly coat this O-ring with

lightly coat this O-ring with a silicone-based lubricant — never petroleum-based products

Match the manufacture date on your heater's label to confirm the 9-bolt lid tub design before ordering

providing access to the skimmer basket while protecting the interior from debris

If your filter was manufactured after March 1997

fits models 11A

Pentair Replacement Cartridge | 186 Leaf Trap Series | R172653 Plumbing Repair lightly coat this O-ring withThe 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,