If you own either a TUSA IR-3 or Scuba Pro Air-2 having this Flex and Lightweight Replacement Hose can be very handy. Hose meets 1500 PSI Standard Pressure Ratings and is constructed from Reinforced Braiding Material Hose with Swaged Chrome Plated Marine Brass Fittings for Strength and Durability. Hose has 3/8" Male Threaded End for attachment to the First Stage Regulator and High-Flow Quick-Disconnect Fitting for attachment to Breathable Inflator Mechanism. The Hose measures 27" (69 cm) in length. Get one for your Save-A-Dive Kit today!