UNICEL C-7685 pool filter cartridge for Harmsco BF105
Fits Harmsco Filter Model BF105 (Better Filter 105)
Top end has 3-1/2" female thread/FPT
Bottom end is open w/2-5/8" inside diameter
Unicel C-7685 replaces the Harmsco original cartridge pool filter SC/TC 105
Note: Original has outside diameter of 7-3/4".
Can also use Pleatco PH105-4.
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