Culvert Balloon 900mm X 9m – 3 Layers

Culvert Balloon 900mm x 9m – 3 Layers Robust and reusable culvert balloon with a 900mm diameter and 9-meter length, reinforced with 3 durable layers for strength and flexibility. Ideal for forming large, round concrete culverts with smooth internal finishes. Easy to inflate, deflate, and reuse across multiple casting projects.