The 100mm (4 inch) Bailey Drain Test Inflatable Rubber Bladder is the compact option in the range, perfectly sized for smaller diameter pipes and drainage systems. This size is ideal for domestic drainage work and light commercial applications where space is limited. Constructed from durable rubber with a canvas protective case, this bladder provides reliable pipe blocking for testing and maintenance tasks. The complete kit includes a 1/4 inch brass tap for controlled inflation and 1.8 metres (6 feet) of tubing, ensuring you have everything needed for professional drainage work. With a maximum inflation pressure of 0.68 bar (10 psi), this variant offers excellent sealing capability for its size range. Features and Benefits:100mm (4 inch) size suitable for smaller diameter pipesMaximum inflation pressure of 0.68 bar / 10 psiDurable rubber construction with protective canvas caseSupplied with 1/4 inch brass tap and 1.8 metres of tubingIdeal for domestic and light commercia