Orbit Sprinkler Control Valve Key 35 out of 5 Stars. 3 reviews Comparison Chart: Assembled product dimensions (l x w x h)18.50 x 13.40 x 6.90 InchesNDS 21 in. W X 6.75 in. H Rectangular Valve Box Extension Black28.00 x 9.50 x 1.30 InchesOrbit Sprinkler Control Valve Key ...