US$ 239.47
x 5/16" thick aluminum frame
Great for nitrogen-hungry plants like green
Type cl replacement breakers
Size: 9" x 4"
Precision machined steel
Hillman Fasteners 7190021 "Zinc Plated" Hex Head Bolt Grade 2 1/4''-20 X 1.5'' Lines x 5/16" thick aluminum frame"HILLMAN" CAP SCREWS 1 4" 20 x 1 1 2" Hex head. Low carbon steel. Coarse thread. Grade 2 Zinc plated steel.