This Supa Condensation Tray is a moulded clear tray made from PVC, designed to fit between the aquarium and tank hood. It acts as a physical barrier between the aquarium water and electrical fittings, allowing fish to be fed without removing the cover and keeping electrical wires together. The actual dimensions of this tray, referred to as 18" x 12", are 44cm x 30cm. It can be easily cut to fit your aquarium if required. These high-quality plastic condensation trays are particularly ideal for tropical fish tanks that produce condensation. Supa has been manufacturing condensation trays at their UK factory in Sheffield for over 30 years.