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16mm ID x 22mm OD (5/8" x 7/8") Clear Unreinforced PVC Tubing - Water/Air Hose Pipe, Food Grade - 1 Metre : Amazon.co.uk: DIY & Tools
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16mm Inside Diameter x 19mm Outside Diameter 5 Metres Clear PVC Flexible Flexible Vinyl Pipe Water Hose Fish AQAURIUM Pond AIR TUBING Food Grade - PENTECH MOULDING CO LTD - Made in
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