Air Vent RVG40000 Slant Galvanized Roof Vent, Mill BESTSELLERS Creates the look of custom

Creates the look of custom etched glass when applied with stencils

Effectively controls many types of green or green water algae

36" long cable

Promotes vigorous growth

Pump: Oil Free

Air Vent RVG40000 Slant Galvanized Roof Vent, Mill BESTSELLERS Creates the look of customSlant galvanized roof vent. 1 piece dome & 1 piece base for added strength. For small spaces where ventilation is needed, saves enegry, reduces moisture damage. RVG40ML Galvanized 40 sqin net free area per piece 14" x 16 3 4" base, 8" opening size 1 piece dome & 1 piece base for added strength For small spaces where ventilation is needed, saves enegry, reduces moisture damage. WARNING: Cancer and Reproductive Harm. www. p65Warnings. ca. gov