Slime® 30012 Smart Tube™ Self-Sealing Wheelbarrow Inner Tube, 8′

Slime® Smart Tube™ Self-Sealing Wheelbarrow Inner Tube comes pre-installed with Slime® Tube Sealant inside. They install like a regular tube and repeatedly seal tire punctures for up to 2 years! As the Slime® treated tire rotates, centrifugal force pushes the sealant to the tread area creating a layer of protection, repairing punctures as they occur and treating existing punctures. Slime® Smart Tube™ instantly and repeatedly seal punctures before they ruin your day! Size: 8"; Fits Tire Sizes: 4.80/4.00-8; Valve Type: Schrader; Inner tube with Slime® tire sealant inside; Fibro-Seal® technology; Prevents flat tires; Designed to seal tread area punctures; Seals punctures up to 1/8"; Works continuously.;Slime® 30012 Smart Tube™ Self-Sealing Wheelbarrow Inner Tube, 8"