SPEX Lighting – 4 in. and 6 in. Vapor Barrier Extender foe Use with Fixtures

The SPEX Lighting Vapor Barrier is used to prevent air leakage from your living space into the attic. The body is constructed from a membrane with flat flange all around to better enclose fixtures. Is suitable for insulated ceilings. Made of Clear PVC Clear.”,”highlights”:null,”collection”:null,”descriptiveAttributes”:[