The arctic hayes dt1 radiator drain tray kit is simple and easy to use with step by step detailed instructions included with universal application for 8 10 15 and 22mm pipe work helps to avoid unnecessary mess damaged floors to carpets perfect for professional use or diy contains the following 1 x draining tray4 x water diverting collars4 x reusable sealing straps1 x water resistant barrier gel sufficient for 6 8 applications