Our industrial UPVC plastic 45 degree tees are manufactured by Comer or Onyx and can be ordered here on our website in sizes between 1/2" and 2" nominal bore. All of these tees come with plain ends for solvent welding, UPVC solvent cement is available separately, they're also PN15 (15 bar) pressure rated. All of our UPVC 45 degree tees conform to the BS 4346-1 standard for UPVC pipe and fittings.