Pentair Air Bleed Tube Assembly 520 sq. ft. | Clean & Clear Plus & Quad D.E. | 178583 Pool Cleaner Parts the C-7459 delivers consistent micron-level

the C-7459 delivers consistent micron-level filtration

and PLD50)

Hayward Pro-Grid DE4820

If there is NO visible algae

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Pentair Air Bleed Tube Assembly 520 sq. ft. | Clean & Clear Plus & Quad D.E. | 178583 Pool Cleaner Parts the C-7459 delivers consistent micron-levelThe Pentair Air Bleed Tube Assembly (178583) is the OEM replacement air bleed tube for the Clean & Clear Plus 520 sq. ft. cartridge filter and the Quad D. E. 100 sq. ft. filter. IMPORTANT: MODEL DATE RESTRICTION This air bleed tube assembly fits the Clean & Clear Plus 520 sq. ft. filter on units manufactured after November 1998 only. Check your filter's manufacture date before ordering earlier units require a different assembly. The air bleed tube