Connect three 3/8" PEX or Poly tubes with the three-eighths three-eighths three-eighths tee.

Connect three 1/2" PEX or Poly tubes with the half half half tee.

Connect three PEX or Poly tubes (Two 1/2" and one 3/4") with the half three-quarters half tee.

Connect three PEX or Poly tubes (One 1/2" and two 3/4") with the half three-quarters three-quarters tee.

Connect two 3/4" PEX or Poly tubes in line with each other, and a 1/2" tube in perpendicular direction with the three-quarters three-quarters half tee.

Connect three 3/4" PEX or Poly tubes with the three-quarters three-quarters three-quarters tee.

Connect two 1/2" PEX or Poly tubes to a 3/8 tube running perpendicularly with the half half three-eighths tee.