FIAP profifish Holding Tank can be placed in or on the ground and consist of a 0.6 mm thick galvanized steel wall which is painted inside and covered with plastic on the outside. The lower and upper bottom- and hand-rails are made of strong plastic to ensure a long shelf life. The inner lining is made of 0.8 mm thick PVC foil with exact fitting in black colour. FIAP profifish Holding Tanks are available in 4 different sizes.