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Specifications:

Tubing Size:  7/16" ID, 5/8" OD
Min. Bend Radius:  1 3/4"
Max. Working Pressure:  20 PSI (@ 73°F)
Vacuum Rating:  15 in. Hg (@ 73°F)
Durometer Hardness (Shore A, 15 Sec.):  55
Water Absorption (% 24 Hrs. @ 23°C):  0.24
Color:  Clear
Quantity Info:  Priced by the foot, shipped as a single length.

Description:

Crystal clear and insanely flexible, Tygon R-3603 is likely the best tubing available to the computer enthusiast community!  Tygon R-3603 has a super smooth inner wall to help prevent buildup and is specifically formulated to resist flex-fatigue and abrasion.  With a rated minimum bend radius of a mere 1 3/4", there's no place too cramped for this tubing.