Gas Industry Standard (GIS) – GIS/E20A flowstop bags have been specially designed for working in conjunction with the ALH System 3 flowstopping kit.

Fully approved for use within the UK gas industry, E20A bags incorporate a central ‘backbone’ to increase strength and rigidity. Full range of sizes from 14” up to 48”, outer cover made with strengthened cotton material to withstand debris with the host pipe.

All E20A bags are manufactured in the UK in accordance with GIS/E20A.