and Float forand silicone gasket are part of thecover and are essential parts for the work of the . The float ismetal, and the sealer isflexible , which is odorless,and safe to use. , first insert the smaller side into the cover (from outside to inside), then put the sealant on the smaller side so that it is in theof the for . Package includes: 1x Floater 4x Silicone Rings