Vecton V2 UV Aquarium Steriliser. New design, manufactured from impact resistant, translucent polycarbonate. Designed with opposing inlet & outlet for easy installation. Four stage hosetails for flexible hose from 12mm (1/2in) to 32mm (1 1/4in), held in place with screw on collars for easy removal when servicing & maintaining unit. Also supplied with a 90 degree pivoting clear plastic elbow, for easier & more versatile hose management. For rigid pipe installations compact rigid pipe adaptors, for connection to 32mm, 40mm or 1in rigid pipe, are available as a spare part. (Not included)UV shield to prevent direct viewing of the UV lamp.36 month guarantee fully supported by Seapets Suitable for aquaria up to 200L.8 watt T5 lamp