3" (75mm) PVC Drain Bag.

Used when testing or during maintenance on drainage / sewer work.

Easily inflates using standard air pump with fitted schrader valve (as vehicle tyres etc..).

To create an air tight seal in pipes for a back pressure of 4"/100mm U Gauge, as requested by British Standards.

Easily inflated for trouble free pipe sealing.

Ideal for use in areas where access is smaller than the test diameter.

1.2m Fitted Hose.