Features: Powder coated cylinder for high gloss, durable finish. Y-valve for liquid/vapor. 3/4” NPT opening accepts 80% fill float switch shut-off device. 1/4” opening for air purge valve. Collar design for ease of handling. Reusable and conforms to DOT-4BA400 specifications and ARI guidelines. Pre-charged cylinder provides a clean, dry interior. Storage and transport of recovered refrigerant gases. Valve & Float Switch UL Listed. AUS Approved and TC Canadian Approved.