6" (150mm) 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.