Maurice Franklin PLW100 3" White Round Plastic Louver, 3", Bag/4 Concrete Stain Keeps tanks up to 250

Keeps tanks up to 250 gallons from completely freezing during winter

Minwax Express Color creates stunning color and beautiful results in one effortless step

UPC tagged

Type: B - Solid cone

On the rockwell hardness scale

Maurice Franklin PLW100 3" White Round Plastic Louver, 3", Bag/4 Concrete Stain Keeps tanks up to 250"Maurice Franklin" Circular Louvers The Maurice Franklin Louver Company has manufactured quality louvers for our extensive national and international network of hardware wholesalers distributors and OEMs for over 50 years. Features : Size: 3" Plastic Color: White Easy installation Suitable for installation in wood, plastic or metal One piece white polyethylene Recommended for moisture control in sidewalls construction or other restricted areas Bagged