£14.99
Steel Drain Test Pipe Bung/Plug 4" (100mm) Plumbing Stop Tube Blanking Cap
View at Amazon.co.uk
£14.99
Bailey 94-110mm Drain Test Plugs 2 Pack
Follow link
£12.00
Horobin 4" 110mm Steel Drain Test Plug with Brass Cap
View at Amazon.co.uk
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