Leak-Proof Seal Sewer Pipe Blocking Inflatable Plug High Expansion Drainage Pipe Sealing Bladder Heavy Duty Plumbing Supplies Reusable for Plumbers

Heavy-Duty Material: Crafted from thickened natural rubber, this rubber drain test ball offers exceptional durability and high expansion capabilities for reliable pipe sealing.

Versatile Function: Designed as essential plumbing supplies, these airbags effectively block sewer lines and cast iron pipes during essential water closure tests.

High Expansion Design: This inflatable pipe plug features a high-elasticity bladder that can expand up to 1.5 times its original size to ensure a leak-proof seal in various pipe diameters.

Reliable Sealing: Acting as a professional-grade pipe stopper, the unit provides a secure, airtight fit that prevents water flow and backflow during construction or repair work.

Reusable Tool: This durable pipe plug is built for repeated use by plumbers and construction workers, offering a cost-effective solution for drainage pipe maintenance and testing.