Ø 125mm 5" Inch Round Roof Vent Cap Galvanised Steel for All Weather Conditions Top Round Exhaust Cap with Rubber for Perfect Insulation Vent Cover : Amazon.co.uk: DIY & Tools
EXHAUST TAIL PIPE RAIN CAP 5INCH (127MM) | All Truck & Trailer Parts
LTWFITTING Brass BSP Pipe Cap Fittings 3/8-Inch BSPP Air Fuel Water Bo – honfacsto-uk
I-sells Metal Ducting End Cap 125mm / 5 inch Male/Female with Rubber Seal : Amazon.co.uk: Electronics & Photo
5 Inch Kit 2 (Top Plate & Clamp With Rain Cap Installation) [KIT-502] - £115.98 :