Chad 870 regulator 0 15 lpm Blue Jobst Ultrasheer 15 20 Knee Hi 5v PocketScope Ophthalmoscope with consistent Sterilization 5v PocketScope Ophthalmoscope with consistent long lasting halogen illumination for true tissue color * 2 These blocks are designed to develop upper body strength and may be used on mats or in bed * Hardwood construction with contoured angled hand grips and spacers for height adjustment from 7 to 9 * 5 wide x 9 long * Brass components in high pressure areas and relief valve zones * 20 micron sintered bronze inlet filter * FDA recommended viton and brass seal washers * All flows tested to accuracy within + 15% tolerances * Meets ASTM G175 03 promoted ignition tests * Ergonomic t handle for easy tightening * Inlet pressure: 200 3000 PSI * Outlet pressure: 50PSI * 100% quality QC tested in the USA * Two year warranty