• The PVC Drain Testing bag can be used for both a water test or an air test
• Fitted with a schrader valve and they are inflated with a bicycle pump
• Easily inflated bag for the testing of pipes such as drains
• Fitted with 1/2" through tube with a 1/2" BSP thread for testing purposes
• Supplied with a 1.2m hose as standard
• 4" PVC Drain Testing Bag - maximum permissible back pressure is 7psi