Cuprinol Woodworm Killer Low Odour 1L eBay Active The UN1FILL is a water The UN1FILL is a water inlet valve that can adjust from bottom feed to side feed & 1 2" (15mm) to 3 8" (10mm) by easily unscrewing and swapping the thread with the blanking cap while providing chemical resistance unlike other waxes Easy Brush Application Ò no buffing required 8 natural colours Cuprinol Woodworm Killer (F) kills all types of wood boring beetle larvae Its deep penetration ensures effective protection for years to come This low odour formula has been specially developed with low aromatic solvents to make it more pleasant and convenient to use