Generic Cartridge Filter Lid O-Ring for C900, 355050422, 39006000 size-in-gallons_16-50 The Dual Purpose Nozzle is

The Dual Purpose Nozzle is for removing large debris and to remove floating debris

) The underside ribs of the board are protected from direct contact with the Durafirm metal fulcrum by rubber channels (8) attached to the board with epoxy adhesive

This is a Stenner 30 Gallon White Chemical Tank System with 45M2 Model Adjustable Flow Pump

The Chemtrol 265 is easy to install and simple to operate

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Generic Cartridge Filter Lid O-Ring for C900, 355050422, 39006000 size-in-gallons_16-50 The Dual Purpose Nozzle isThis is a Generic Filter Lid O Ring O 240 replacement with dimensions for several pool filters. The dimensions work with Hayward C900, AquaFlo 92200180, Martec Sonfarrel 320110, Pentair American 39006000, Premier 31358, Sta Rite U 9228, and Sta Rite Swimquip 35505042.