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 and damage to floors to carpets. Perfect for professional use or DIY. Contains the following: 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)