GS Industries PVC Intermediate Spacer Heavy Duty Non-Corrosive and Non-Conductive Underground Vertical Pipe Duct Snap-Loc System (No Banding Needed)

2" x 2-1/2" 2" x 2" 2" x 3" 3" x 1-1/2" 3" x 2" 3" x 3" 4" x 1-1/2" 4" x 2" 4" x 3" 5" x 1-1/2" 5" x 2" 5" x 3" 6" x 1-1/2" 6" x 2" 6" x 3" 8" x 1-1/2" 8" x 2" 8" x 3"