A rectangular DE grid filter helps support debris capture within a compatible diatomaceous earth filtration assembly
Air controls like this are used to manage the amount of air introduced into the system
Replacing them with the proper kit can help restore cleaner skimmer fitment and improve confidence in the finished installation
This type of product is especially useful when a larger treatment bottle is preferred over a smaller size for ongoing service needs
Designed for compatible Pentair IntelliFlo applications
CMP Return Wall Fitting [1-1/2" Slip, No Gasket] [Gray] (25523-501-000) airbuttonparts A rectangular DE grid filterCMP Return Wall Fitting [1 1 2" Slip, No Gasket] [Gray] is a CMP return wall fitting designed for compatible pool or spa return plumbing. Return fittings connect the plumbing line to the pool wall while providing a finished opening for water returning from the filtration system. This fitting is useful when replacing worn wall fittings, updating a finish color, or completing the gunite, vinyl, fiberglass, or specialty return installation described in