- COMPREHENSIVE - One of a comprehensive range of high-quality components for the SharkBite Air Supply Ring Main System. - QUICK - Install your own workshop compressed air ring main quickly and easily with the SBA system of fast fit SharkBite? compressed air fittings. - VERSATILE - Can also be used for water movement not meant for human consumption. - OPTIMAL - Suitable for making drops from ring main to workstations. - CONNECTIVITY - Brass reducing tee designed for seamless connection with SharkBite? Air Supply Systems.