Replaces standard 6 x 1 1/4 inner tubes.

Makes the caster "Flat Free".

Fits most brands of casters that use 6 x 1 1/4 tires and tubes.

Reusable.

Installation is difficult...

Replaces standard 8 x 1 1/4 inner tubes. Makes the caster "Flat Free". Fits most brands of casters that use 8 x 1 1/4 tires and tubes. Reusable. Installs with minimal tools. Tire required...

•  Foam style airless insert
•  Puncture proof
•  Fits only #111865 tire

Replaces standard 20 x 1 3/8 inner tubes. Makes the tire "Flat Free". Airless insert fits most 24in wheels (37-451). Reusable. Installs with minimal tools. Tire required.

Replaces standard 22 x 1 3/8 inner tubes. Makes the tire "Flat Free". Airless insert fits most 22in wheels (37-501). Reusable. Installs with minimal tools. Tire required.

Wheelchair airless tire inserts are constructed from all foam and are maintenance free. Replaces standard 24 x 1 3/8 inner tubes. Makes the tire "Flat Free". Airless insert fits most 24in wheelchair wheels (37-540)...

Poly foam airless insert to fit most 26in (37-590) wheels using 26 x 1 3/8 (37-590) pneumatic tires. Ideal for zero maintenance minded users.

Completely puncture proof.

To Fit: Most 9x3.50-4 Wheels Full description: Latex Free 'Primo Grande' Brand Tire Approximate Bead-to-Bead Measurement: 2-1/4" to 2-3/8" Standard Foam Flat Tread Fits:

Most 9x3.50-4 Wheels