Compatible Pipe Types: Cross-linked polyethylene tubing 13A (compatible with PN15 E type if made by ONDA manufacturing), polybutene pipe 13A [Caution] Can only be used with resin tubing from ONDA MISSION. 1.75 MPa or less Do not use for air pressure inspection. This product is for inspection purposes only. Not for use with real plumbing After inspection, please make sure to cut the resin tube at least 2.0 inches (50 mm) from the tip of the insert. Since it is made of resin, please do not apply excessive tightening or excessive impact. Use rubber gasket for thread connection. Appropriate tightening torque is less than 5 N.m. Please be careful as turning the handle with excessive force may cause deformation or damage.