AK200049851 suits Aqua-pure AP801 and AP802 Big Blue Housings, 3m, Raindance jumbo housings and Cuno Big White and Big Blue filter housings BS 358
152.90mm OD x 142.24mm ID – x 5.33mm
Large O-ring suits Big Blue & Big White filter housings where the o-ring fits over the top of the sump with the o-ring exposed from the top and the side.
The filter sump has a pitched edged thread.
142.24mm ID – 152.90mm OD x 5.33mm
Listing is for 1 x o-ring to suit the above housings