ท่อ PPR (80) แบบ SDR 11 (PN10) Economy Class

20 mm. (1/2”), 25 mm. (3/4"), 32 mm. (1"), 40 mm. (1-1/4"), 50 mm. (1-1/2"), 63 mm. (2"), 75 mm. (2-1/2"), 90 mm. (3"), 110 mm. (4"), 125 mm. (5"), 160 mm. (6"), 200 mm. (8"), 250 mm. (10"), 315 mm. (12")