Acorn SW-MW1CR250 Metal-To-Wood Metal Building Screw 9"X1", Crimson Preservatives Easy to Use - each

Easy to Use - each refill comes with a battery

Reduce water evaporation by 95%

W x L: 3" x 48"

Anodized aluminum prevents corrosion

Any creosote dripping down the chimney is contained on the inside of the pipe system

Acorn SW-MW1CR250 Metal-To-Wood Metal Building Screw 9"X1", Crimson Preservatives Easy to Use - eachHighlights: Size: 9" X 1" Color: Crimson Best for metal to wood applications. Self tapping type 17 point. Twin lead threads for fast drive time. Hi Lo threads for increased hold. Bonded EPDM washer. 1,000 hour dacro coating. 250 count per bag. WARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to