Kit contains all the items required (except testing plugs) to carry out an air test to 100mm water gauge pressure (10mb) on any size of drain or pipe in accordance with BSEN1610:1998. Contents : U Gauge; hand bellows pump; ½ in. BSP & 1in. BSP nipple caps; tee piece; 3 x 2ft. lengths of rubber hose. Read product review from Amazon Customer Reviews. Buy MON174 from Amazon Marketplace. N34466 EQMON426 EQMON426 811026 811026