How do I determine the date of manufacture of my Pentair Clean & Clear cartridge filter? It isn’t apparent on the labels on the unit. I need replacement elements and there are 2 different part numbers depending on whether it was built before or after 1998.
Hi Rocky5150,
Your best bet is going to measure your cartridges.
The Pre-1998 Pentair Clean & Clear Plus 420 Cartridge Measures 20 - 1/4" Long where the 1998 and after measures 26" long. Below are links to purchase either cartridge as well as view additional dimensions.
Pre-1998 Pentair Clean & Clear Plus 420 Cartridge
1998 & After Pentair Clean & Clear Plus 420 Cartridge
Thank You
Patrick
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