Hillman The Fasteneer Center #8 x 3 In. Phillips Coarse Thread Black Phosphate Drywall Screw (100 Ct.) S700 SpringFlex This concentrated source of readily

This concentrated source of readily available phosphorous promotes flower and fruit production and enhances vegetable yields

Large LCD (liquid crystal display) screen makes the unit easy to read and program

3-inch to 4-inch duct adapter

for 2 sides

Optional bracket available to meet USCG approval

Hillman The Fasteneer Center #8 x 3 In. Phillips Coarse Thread Black Phosphate Drywall Screw (100 Ct.) S700 SpringFlex This concentrated source of readilyPhillips head coarse thread. Black phosphate finish. This screw is constructed of hardened steel which is the result of carbon steel being put through heat treatment, quenching, and further reheating making it extremely durable. Hardened Steel is more resistant to wear, corrosion, and abrasion. 100 pieces per pack.