PEF Backing Rods are used as a backing and thickness control when applying flexible sealants. Closed-cell polyethylene backing rod may release gas if punctured during installation, In those cases its ideal to be left for 20-30 minutes before application of the sealant.
Matthews Mini Slimfold Towel Dispensers - 300 Sheet Capacity - White

N-PEF20100G
20048
20250
20107