Home / Spares and accessories / UV-A 18W Blacklight Blue Tube UV-A 18W Blacklight Blue Tube£25.00 Spare/replacement UV tube. 18W blacklight blue tube 24″ (2ft) length 11 in stock (can be backordered) UV-A 18W Blacklight Blue Tube quantity Add to basket Related products Barn Doors £150.00 UV-A 36W Blacklight Blue Tube £30.00 UV 250W Iron (Fe) Bulb £195.00 UV-A+B Irradiance Meter £495.00