Pentair Rainbow Leaf Trap Model 186 25 sqft Cartridge w/Plug (R172653) marquisspas and PCM25 compatibility give this

and PCM25 compatibility give this part practical value because cartridge filters work best when the replacement matches the intended housing and service application closely

A wet end is useful because it contains the housing and water-moving pathway that allow the pump to convert motor power into practical flow through the system

directional

A gasket like this is useful because it helps maintain a cleaner seal between the lid and tank body

Pentair Rainbow Leaf Trap Model 186 25 sqft Cartridge w/Plug (R172653) marquisspas and PCM25 compatibility give thisFor focused maintenance, this plug helps restore the working fit of compatible Leaf Trap Model 186 equipment. It supports suction side cleaner performance by helping debris, water flow, or service access move through the cleaner and skimmer connection as intended. It is built for the kind of small but important maintenance point that can affect sealing, flow control, service access, or cleaner movement. Fits compatible Leaf Trap Model 186 equipment