Semi-Pneumatic Eight-inch Disc Wheels, model 44, are semipneumatic caster tire and wheels designed for use with wheelchairs. DIMENSIONS: 8 inches.
The Semipneumatic Caster Wheel, model 90-51605, is a semipneumatic caster tire and wheel for wheelchairs. The assembly includes bearings and a gray non marking rubber tire. DIMENSIONS (DxW): 8 x 1.75 inches. COLOR: Black or gray.