REFLECTIVE MYLAR FILM 4x250 INSULATION ROLL HYDROPONIC WALL GROW ROOM COVERING
1 roll (4X250). Established as one of the best reflective materials made, the mirror like finish is highly efficient. Durable - Puncture/Tear Resistant (HEAVY DUTY MYLAR SCRIM). 99% reflective. 32 lbs per 1000 sq ft roll.