FUSOR SELF LEVELING SEAM SEALER MED. (8minWT) 10.1oz 122EZFUSOR SELF LEVELING SEAM SEALER MED. (8minWT) 10. 1oz Product Information Fusor 122EZ sealer is a two component, epoxy based seam sealer used for duplicating factory seams on drip rails, trunks, core support to apron seams, roof seams and quarter panel to rear deck seams. Fusor 122EZ = 7. 1 oz (210 mL) Shelf Life Shelf life is 24 months from date of manufacture when stored at 75F (24C) in original, unopened container. Substrates Apply over 2K primers