https://habitium.com/ie/tubes-and-pipes/422839-eco-3-espa-test-collector.htmlGB-422839ECO 3 test manifold with direct reading flowmeter 76 mm diameter suitable for flows 19 to 48 m3 h ESPATest line kit with direct reading flow meter.https://cdn.habitium.com/386750/eco-3-espa-test-collector.jpg?sto=true&width=480565.09instockEspa963.09459.4341323.57/Tubes and Pipes