This inner tube is made of isobutylene isoprene rubber, which is better in air tightness, elastic cushioning and resistance to aging than natural rubber. NOT recap
Heavy duty inner tube with bent valve stem TR87, max inflation is 30 PSI. Inflate with manual pump only
4.10 3.50 to 4 inch inner tube works with hand carts, carts, garden cart, garden cart, lawn cart, utility cart, flat carts, lawn mowers , small tractors, wheelbarrows,
yard trailers, wagon carts, rail cars, generators, snow throwers and most 410 / 350-4 wheel applications
Perfect fit for 4.10 / 3.50-4 inch TIRES / WHEELS: Replacement tubes for 4.10 / 3.50-4 tires / wheels (10 inch outer diameter). also measured in 4.10 3.50-4, 410 / 350-4, 3.5-4 4, 4.1 / 3.5 4, 4.10 3.50 4, 4.10 3.50-4 , 4.10 / 3.50-4,
4.10 / 3.50-4 inches, 4.10x3.50 -4 in inches
CUSTOMER SATISFACTION: Before installation, check whether the air chambers are completely sealed by immersing them in water, if there are bubbles, they are already damaged.