Specifications: Compatible Brand NSK Interchangeable Compatible OEM Model EX-203 Compatible OEM P/N M138 Tubing Hole# 2 or 4 ISO Type E-Type Speed Up to 25,000 RPM Colour Metallic Air Pressure 35 psi CSA Approval Yes FDA Registered Yes Weight 90 g Warranty 1 Year Available In Canada & USA Sterilization Procedure Refer to instructions on your particular autoclave or sterilizer