DURA-BLOK Duct Support Block,20.75&Lx19.5&W Base

Duct Support Block; Base Material Rubber; Base Size 20.75 in L x 19.5 in W; For Maximum Outside Diameter 19 1/2 in; For Maximum Pipe Size 18 in; For Minimum Pipe Size Not Applicable; Load Capacity 1;000 lb; Maximum Height Adjustment 26 3/4 in; Minimum Height Adjustment 10 9/16 in; Mount Type Placed On Surface; May Be Glued or Anchored for Additional Support; Overall Height 10.56 in; Overall Length 20.75 in; Pipe Support Type Elevated Block System; Roller Diameter Not Applicable