I-sells Metal Ducting End Cap 125mm / 5 inch Male/Female : Amazon.co.uk: Electronics & Photo
H&C VENT Duct Metal End Cap with Gasket Seal Ø 125 mm / 4.92 Inch, Straight Pipe End Cap for HVAC Heating Cooling Ventilation System Duct Pipes Flanges : Amazon.co.uk: DIY & Tools
Cap End With Mesh 125 Diameter | Ducting Express
125mm End Cap - Solvent Joint - PVCu Pressure Pipe www.gasandwaterpipelines.co.uk
125mm Electrofusion End Cap www.gasandwaterpipelines.co.uk
EC125X12 Nitrile Rubber End Cap Seal 125mm Outside Diameter 12mm Width Simply Bearings Ltd
Under Run Bar End Cap 125mm – Nationwide Trailer Parts Ltd