Poly Tubing 1/2 Milky Plastic (Polyethylene) Tubing 1/4 Milky Plastic (Polyethylene) Tubing 1/8 Milky Plastic (Polyethylene) Tubing 3/16 Milky Plastic (Polyethylene) Tubing 3/8 Milky Plastic (Polyethylene) Tubing 5/16 Milky Plastic (Polyethylene) Tubing 5/8 Milky Plastic (Polyethylene) Tubing