Bailey BAI4074 Drain Test Kit This BAI4074 drain test kit is an off the shelf solution for the completion of air tests to 4 inch (100mm) water gauge pressure on drains and pipes. What is included: 1x 4 inch U - Gauge 1x 9 Feet Length of tubing 1x Hand Bellows 1x Y piece 1/2 inch 1x 1 inch Test Nipple Cap
