Phifer 3003610 36 Inch By 100 Foot Charcoal Sunscreen

36 inch x 100 foot, charcoal, sunscreen, replaces regular insect screening and offers an easy and practical method of improving the energy efficiency of windows and doors, specially woven exterior solar screen that blocks up to 70 percent of sun's heat and glare before it reaches the glass surface, absorbs and dissipates sun's heat and glare, easy installation on any type size window and may be removed and stored if full heat gain is wanted.,