Vac hose connector 1.5 inch stainless steel tube - Prochem Europe Ltd.
2 Pack Brass Garden Hose Tap Connector, brass garden hose connector set, connector for the start of the hose, basic equipment with fittings for hoses, tap connection set : Amazon.co.uk: Garden
Van Enterprises PVC Garden Hose Adapter (Male 1.5" NPT x 3/4" GHT) for Sump Pump. [Available 1.25" and 1.5" NPT Hose adapters] : Amazon.co.uk: Garden