'Pumpkin tank'. Unusual squat design provides minimal bulk without sacrificing CO2 capacity. Yields over 400 shots (can vary significantly by gun type, shooting style, elevation and other atmospheric conditions). Features a lightweight, yet durable aluminum cylinder fitted with the Pure Energy valve with integrated safety burst disk. This tank is designed to last on rentals or as a personal tank. Be careful of cheaper tanks that use an inferior valve that may leave after a short time. The Pure Energy tank features a 1 year 'no leak' manufacturer's warranty. Made in USA.