Polyprpylene Compression 90 Degree Equal Tee aremade from the raw material and are available in sizefrom 20mm o.d. to110mm o.d. this fittings is designedto connect a lengths of Polyprpylene (PE) pipe of thesame diameter to from an angle of 90 be degrees whichcan be done assembly and installation take place withoutneed of any adhesives or welding material.