Moss Boss 2 5/8-inch x 50 ft. Zinc Moss Killer

Help protect your roof against the harmful effects of moss, mildew and fungus. Designed to release fungus and moss killing zinc particles when it rains, this helpful accessory comes in a 50 foot roll and has a zinc purity of more than 99.4 percent. Moss Boss can be used for composite and shake roof houses. Zinc purity greater than 99.4 percent Installation nails included Rain activated