<p>This replacement o-ring is designed to fit the tank of Pentair PacFab Nautilus DE filters 18 Inch Tank (Manufactuered AFTER 2001). This o-ring measures approx 18-1/2" ID, 7/16" Cross Section<br /><br /> Original part number: 152127.</p>
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Lower Piping Assembly 1-5/8" Used on Pac Fab Nautilus models DNS and INS Made OCT 1, 1992 THRU Current. Top pipe which goes thru bottom of filter is 2" MPT, Length of this is 1-5/8"
<p>Lid Assembly CCP 520 / Quad 100</p><p><strong>For Use With: </strong>Clean & Clear® Plus 520 sq-ft Pool and Spa Cartridge Filter, Quad D.E.® Pool and Spa Filter Model Quad 100</p>
<p>Replacement Lower Piping Assembly with Drain for Pentair Nautilus® and Nautilus® Plus Filters</p><p></p><ul><li><p>This product is obsolete. </p></li></ul>
Air Bleed Assembly for the following Filters:
Pentair Clean and Clear 520
Quad D.E. 100 Filters
Pictured is the current version of this part. The old version that is no longer available had a white cap that looked similar to the pipe it was attached to. This replaces all previous air bleed assemblies for this filter.
<p>Genuine Pentair OEM Filter Cartridge Replacement, 80 sqft Cartridge R173573 for Pentair Clean and Clear Plus 320. Four cartridges are required to make 320 sqft. </p>
<p>This replacement Pentair spacer washer is designed to fit Pentair PacFab Nautilus Plus DE & Pentair PacFab Nautilus DE filters. May fit other Pentair model filters. Part number: 154747.</p>