9.0 in. X 1.310 in. X .438 in. for .186 in. dia. tube ( dual duro. )
All of our urethane seals are now available in three grades:
1) Standard - general purpose
2) Premium - 50% greater wear life
3) Medical - FDA approved material
(Please note medical grade urethane seals require 8 day delivery, no expedite is available.)