S90'S TOOK 2 OR 3 DIFFERENT TYPES OF FILTER ELEMENTS
ONE WAS ROUND AND LIKE THIS ONE HALF ROUND
IF YOUR SEAL IS BAD ON YOUR OLD FILTER YOU MAY HAVE TO MAKE SOMETHING LIKE I DID ON MY 1969
326Y
!!_NOTE_!! THIS STEP IS REQUIRED ON SOME MODELS
CLICK ON THE PICTURE AND READ INSTRUCTIONS